Browse by Subject

Please select a value to browse from the list below.

Library of Congress Subject Areas (31)
- A General Works (5)
  - AC Collections. Series. Collected works (42)
  - AI Indexes (General) (36)
  - AM Museums (General). Collectors and collecting (General) (33)
  - AS Academies and learned societies (General) (48)
  - AZ History of Scholarship The Humanities (5)
  - ZUBYEK (2)
- B Philosophy. Psychology. Religion (18)
  - B Philosophy (General) (15)
  - BC Logic (2)
  - BF Psychology (71)
    - BF318 Learning, Psychology of (Deep learning) (9)
    - BF441 Critical thinking (4)
  - BH Aesthetics (18)
  - BJ Ethics (5)
  - BL Religion (6)
  - BP Islam. Bahaism. Theosophy, etc (18)
  - BR Christianity (1)
  - BS The Bible (1)
  - BV Practical Theology (3)
    - BV1460 Religious Education (3)
- T Technology (126)
  - T Technology (General) (126)
    - T11 Technical writing. Scientific Writing (123)
    - T174 Technological forecasting (310)
    - T174.5 Technology--Risk assessment. (409)
    - T201 Patents. Trademarks (14)
    - T385 Visualization--Technique (198)
    - T55 Industrial Safety (370)
    - T55.3.H3 Hazardous substances--Safety measures. (28)
    - T56.8 Project Management (861)
    - T57.5 Data Processing (1016)
    - T57.6 Operations research--Mathematics. Goal programming (173)
    - T57.62 Simulation (815)
    - T57.74 Linear programming (122)
    - T57.8 Nonlinear programming. Support vector machine. Wavelets. Hidden Markov models. (176)
    - T57.83 Dynamic programming (117)
    - T57.84 Heuristic algorithms. (126)
    - T58.5 Information technology. IT--Auditing (537)
    - T58.6 Management information systems (974)
    - T58.62 Decision support systems (616)
    - T58.64 Information resources management (30)
    - T58.8 Productivity. Efficiency (493)
    - T59.7 Human-machine systems. (140)
    - TA404 Materials--Biodegradation (50)
  - TA Engineering (General). Civil engineering (General) (124)
    - TA1800 Fiber Optics (34)
    - TA357.5.S57 Sloshing (3)
    - TA 459 Metal foams. (6)
    - TA1573 Detectors. Sensors (106)
    - TA158.7 Computer network resources (41)
    - TA1637 Image processing--Digital techniques. Image analysis--Data processing. (541)
    - TA1650 Face recognition. Optical pattern recognition. (52)
    - TA167.5 Neurotechnology. Neuroadaptive systems (12)
    - TA169 Reliability (Engineering) (124)
    - TA169.5 Failure analysis (145)
    - TA169.6 Fault location (Engineering) (2)
    - TA174 Computer-aided design. (92)
    - TA1815 Optical fiber detectors. Bragg gratings. (3)
    - TA347 Finite Element Method (399)
    - TA355 Vibration. (63)
    - TA357 Computational fluid dynamics. Fluid Mechanics (171)
    - TA417.3 Magnetic testing. (7)
    - TA418.16 Materials--Testing. (108)
    - TA418.38 Materials--Fatigue. (65)
    - TA418.42 Hardness properties and tests. Hardness--Testing. (34)
    - TA418.74 Corrosion and anti-corrosives (219)
    - TA418.75 Corrosion-resistant materials (79)
    - TA418.9 Composite materials. Laminated materials. (291)
    - TA418.9.C57 Coatings (48)
    - TA418.9.F5 Electrospinning. Nanofibers (11)
    - TA433 Strength of materials. (48)
    - TA434 Inorganic polymers (5)
    - TA439 Lightweight concrete. High strength concrete. (26)
    - TA440 Concrete--Cracking. (104)
    - TA441 Aggregates (48)
    - TA443.A7 Asphalt (68)
    - TA444 Reinforced concrete (139)
    - TA455 Carbon. Nanotubes. (37)
    - TA455.A34 Adhesives (14)
    - TA455.G65 Graphene (17)
    - TA455.S6 Soil (Materials of engineering and construction) (182)
    - TA460 Metals--Fatigue. (21)
    - TA462 Metal Corrosion and protection against corrosion (59)
    - TA467 Iron and Steel Corrosion and protection against corrosion (50)
    - TA480.A6 Aluminum alloys. (14)
    - TA491 Metal coating. (48)
    - TA492.G5 Girders (28)
    - TA492.W4 Welded joints (40)
    - TA590 Topographical surveying (32)
    - TA593 Orthophotography (5)
    - TA593.35 Instruments, cameras, etc. (42)
    - TA645 Structural analysis (Engineering) (667)
    - TA656.2 Buckling (26)
    - TA658 Structural design (326)
    - TA660.C6 Columns (49)
    - TA660.F7 Structural frames. (60)
    - TA660.P55 Underground pipeline design, construction and management (37)
    - TA660.T34 Tanks. Pressure vessels (22)
    - TA681 Concrete construction (332)
    - TA683 Precast concrete construction. Prestressed concrete construction. (204)
    - TA749 Soil stabilization (252)
    - TA760+ Retaining walls (56)
    - TA775 Foundations. (160)
    - TA780 Piles and pile-driving (73)
    - TA780.C29 Piling (Civil engineering) (39)
  - TC Hydraulic engineering. Ocean engineering (102)
    - TC147 Ocean wave power. (145)
    - TC1665 Offshore structures--Materials. (116)
    - TC167 Dams, reservoirs (151)
    - TC1680 Offshore structures (509)
    - TC173 Orifices. Nozzles. Jets (5)
    - TC175.2 Sediment transport (81)
    - TC187 Dredging (13)
    - TC188 Dredges (4)
    - TC203.5 Coastal engineering (105)
    - TC205 Harbors--Design and construction. (102)
    - TC333 Breakwaters (71)
    - TC335 Sea-walls--Design and construction (8)
    - TC343+ Reclamation of land from the sea (10)
    - TC357 Harbor Engineering. Piers, quays, and wharves (100)
    - TC363 Floating harbors. Including floating docks, piers, etc (32)
    - TC424 Water levels (82)
    - TC530 Flood control (91)
    - TC555 Spillways. Energy dissipation. Hydraulic jump. (51)
    - TC801 Reclamation of land (8)
    - TC812 Irrigation (113)
  - TD Environmental technology. Sanitary engineering (14)
    - TD171.75 Climate change mitigation (109)
    - TD192.5 Bioremediation (57)
    - TD192.75 Phytoremediation. (6)
    - TD194.6 Environmental impact analysis (154)
    - TD195.B56 Biomass energy (71)
    - TD195.S47 Sewage disposal plants--Environmental aspects (21)
    - TD233 Water consumption (69)
    - TD259.2 Drinking water. Water quality (141)
    - TD375 Turbidity--Measurement. (22)
    - TD395 Reservoirs (water supply) (63)
    - TD418 Water harvesting (27)
    - TD420 Water pollution (121)
    - TD427.F58 Fly ash (14)
    - TD427.P62 Microplastics--Environmental aspects. (10)
    - TD430 Water--Purification. (95)
    - TD433 Water treatment plants (167)
    - TD455 Chemical precipitation. Coagulation. Flocculation. Water--Purification--Flocculation. (46)
    - TD479.3 Saline water conversion (15)
    - TD480.5 Electrodialysis (11)
    - TD481 Water distribution systems (148)
    - TD491 Spillways (14)
    - TD646 Sewage--Purification (203)
    - TD678 Ocean outfalls--Design and construction. (1)
    - TD747 Sewage disposal plants--Odor control (2)
    - TD756.45 Anaerobic treatment (27)
    - TD761 Deep-well injection (1)
    - TD767.7 Sewage sludge treatment and disposal (70)
    - TD789 Refuse and refuse disposal (105)
    - TD794.5 Recycling (Waste, etc.) (26)
    - TD795.7 Sanitary landfills. Leachate--Purification. (32)
    - TD796 Incineration. Incinerators (8)
    - TD796.5 Composting (26)
    - TD799.85 Electronic apparatus and appliances waste (11)
    - TD878.47 Soil remediation (28)
    - TD883 Air quality management. (34)
    - TD883.2 Automobiles--Motors--Exhaust gas (10)
    - TD883.5 Air--Pollution (234)
    - TD886.5 Motor vehicles--Motors--Exhaust gas--Environmental aspects. (10)
    - TD887.B58 Air pollutants. Bituminous materials (12)
    - TD890 Global Environmental Monitoring System (51)
    - TD892 Noise control (42)
    - TD898.8.C67 Waste disposal (100)
    - TD899 Waste control in special industries, plants, processes, etc (71)
    - TD899.S68 Steam power plants (42)
  - TE Highway engineering. Roads and pavements (15)
    - TE175 Road and highway design (205)
    - TE215 Drainage (97)
    - TE228.3 Intelligent transportation systems. (39)
    - TE228.37 Vehicular ad hoc networks (Computer networks) (19)
    - TE250.P475 Pavements--Design and construction--Estimates. (15)
    - TE251.T74 Pavements--Design and construction (40)
    - TE278.D523 Pavements, Concrete--Testing. (13)
    - TE7 TG300 Bridges--Design and construction. (47)
    - TE7 Transportation--Planning (540)
    - TE7.H5 Airports--Planning. Airport terminals--Planning (55)
  - TF Railroad engineering and operation (93)
    - TF1327.O58 High speed ground transportation (train) (27)
    - TF193 Estimates, costs, etc. (70)
    - TF240 Railway construction (35)
    - TF270 Railway structures and buildings (47)
    - TF4 Railroads--Automation. (5)
    - TF652 Station management (16)
    - TF872 Rails (Track) (18)
  - TG Bridge engineering (2)
    - TG325.6 Bridges--Floors--Design and construction. (2)
    - TG362 Box girder bridges--Design and construction. (35)
  - TH Building construction (219)
    - TH1.N48 Sandwich construction. (1)
    - TH1095 Earthquakes and building (144)
    - TH11 Builders' and contractors' bulletins. Including prices, permits, etc. (39)
    - TH1461 Concrete construction. (121)
    - TH2247 Shear walls--Materials (12)
    - TH2486 Skylights and ventilators (19)
    - TH2521 Floors and flooring (18)
    - TH3000 Basements--Remodeling. (21)
    - TH3351 Maintenance and repair (50)
    - TH385 Building layout. (64)
    - TH437 Building--Cost control. (219)
    - TH438 Construction industry--Management. Project management. (400)
    - TH438.13 Building information modeling. (58)
    - TH4811 House construction (39)
    - TH4860 Ecological houses--Design and construction. (15)
    - TH6515 Plumbing. (20)
    - TH6840 Piping installation. Pipefitting (34)
    - TH6882 Flame monitors Ignition devices Including electric ignitors (6)
    - TH7687.7 Cooling Systems and details (25)
    - TH7703 Illumination. Lighting (33)
    - TH880 Sustainable buildings. Sustainable construction. Green building (105)
    - TH900+ Construction equipment in building construction (40)
    - TH9737 Electronic security systems (18)
    - TH9745.D85 Dwellings (23)
  - TJ Mechanical engineering and machinery (33)
    - TJ1058 Rotors (36)
    - TJ1077 Lubrication and lubricants. (32)
    - TJ1185 Metal-cutting--Problems, exercises, etc. (22)
    - TJ1186 Metal-cutting tools. (28)
    - TJ1186.B5 Metal-cutting tools--Design and construction. (18)
    - TJ1225 Milling machines numerically controlled (30)
    - TJ1230 Cutting and sawing machinery (46)
    - TJ1260 Drilling and boring. (9)
    - TJ1363 Cranes, derricks, etc. (24)
    - TJ1398 Conveyors (59)
    - TJ164 Power plants--Design and construction (286)
    - TJ165 Energy storage. (108)
    - TJ174 Maintenance and repair of machinery (200)
    - TJ211 Robotics. (173)
    - TJ211.4 Robot motion (54)
    - TJ211.415 Mobile robots (79)
    - TJ213 Automatic control. (252)
    - TJ217 Adaptive control systems (61)
    - TJ217.2 Robust control (33)
    - TJ217.6 Predictive Control (126)
    - TJ219 Pneumatic control systems (34)
    - TJ222 Supervisory control systems. (27)
    - TJ223 PID controllers (342)
    - TJ223.A25 Actuators. (8)
    - TJ223.P76 Programmable controllers (80)
    - TJ230 Machine design (554)
    - TJ254.7 Combustion chambers (38)
    - TJ263 Heat exchangers (250)
    - TJ263.5 Boilers (general) (122)
    - TJ265.E23 Thermodynamics. (54)
    - TJ266 Turbines. Turbomachines (General) (116)
    - TJ324.5 Fuel systems (74)
    - TJ357 Pressure regulators (7)
    - TJ541 Flywheels. (13)
    - TJ561 Surface (24)
    - TJ669.B7 Locomotive brakes (8)
    - TJ700 Traction engines, etc. (9)
    - TJ762.E93 Exhaust systems (18)
    - TJ778 Gas turbines (58)
    - TJ785 Internal combustion engines. Spark ignition (104)
    - TJ797 Diesel motor--Fuel systems--Testing. (14)
    - TJ799 Diesel motor--Electronic control. (155)
    - TJ808 Renewable energy sources. Energy harvesting. (262)
    - TJ810.5 Solar energy (122)
    - TJ820 Wind power (53)
    - TJ828 Wind turbines (181)
    - TJ840.A2+ hydraulic machinery (14)
    - TJ870 Hydraulic turbines. (29)
    - TJ903 Pumping machinery. (89)
    - TJ910 Electric pumping machinery (20)
    - TJ919 Centrifugal pumps--Design and construction. (70)
    - TJ930 Pipelines (General). Underwater pipelines. (73)
    - TJ935 Pipe--Fluid dynamics. Tubes--Fluid dynamics (169)
    - TJ950 Pneumatic machinery (27)
    - TJ990 Compressors (45)
  - TK Electrical engineering. Electronics Nuclear engineering (209)
    - TK1001 Production of electric energy or power (245)
    - TK1007 Electric power systems control (208)
    - TK1010 Electric power system stability. Electric filters, Passive. (215)
    - TK105.8883 Web authoring software (include web server) (35)
    - TK1056 Solar power plants. Ocean thermal power plants (87)
    - TK1073 Ocean thermal energy conversion (14)
    - TK1087 Photovoltaic power generation (222)
    - TK1318 Geothermal Power Plants (43)
    - TK1322.6 Electric power-plants (209)
    - TK1519.S68 Hydroelectric power plants (38)
    - TK152.A75 Electrical engineering--Safety measures (24)
    - TK153 Electric power factor. Lightning protection. (14)
    - TK201 Electric Power Transmission (356)
    - TK2211 Eddy currents (Electric) (2)
    - TK2551 Electric transformers. (48)
    - TK2681.B47 Electric motors, Direct current. (56)
    - TK2681.O85 Electric motors, Brushless. (43)
    - TK2692 Inverters (37)
    - TK2785 Electric motors, Induction. (151)
    - TK2791 D.C. to A.C. transforming machinery. (14)
    - TK2797 Motor-generator sets. Cascade (29)
    - TK2851 Voltage regulators. (20)
    - TK2861 Electric relays. Protective relays--Security measures. (191)
    - TK2921 Lithium cells. (74)
    - TK2931 Fuel cells (49)
    - TK2941 Storage batteries (94)
    - TK2943 Battery chargers. (19)
    - TK2945 Lead-acid batteries. (42)
    - TK2950 Thermoelectric materials. (10)
    - TK2960 Dye-sensitized solar cells. Solar batteries. Solar cells (54)
    - TK3030 Electric power distribution systems (141)
    - TK3070 Automatic control (253)
    - TK3226 Transients (Electricity). Electric power systems. Harmonics (Electric waves). (247)
    - TK3401 Insulation and insulating materials (64)
    - TK351 Electric measurements. (77)
    - TK4035.R4 Refrigeration and refrigerating machinery (35)
    - TK4055 Electric motor (87)
    - TK452 Electric apparatus and materials (22)
    - TK4660 Welding; Electric welding. (4)
    - TK5101 Telecommunication (302)
    - TK5102.5 Modulation (Electronics), Demodulation (Electronics) (57)
    - TK5102.9 Signal processing. (194)
    - TK5102.94 Cryptographic techniques (17)
    - TK5103.2 Wireless communication systems. Two way wireless communication (228)
    - TK5103.484 Orthogonal frequency division multiplexing. (5)
    - TK5103.8 Switching systems (20)
    - TK5105 Data Transmission Systems (212)
    - TK5105.543 Routers (Computer networks) (20)
    - TK5105.546 Computer algorithms (343)
    - TK5105.585 TCP/IP (Computer network protocol) (93)
    - TK5105.5956 Quality of service. Reliability Including network performance (62)
    - TK5105.888 Web sites--Design. Web site development. (251)
    - TK5105.88815 Semantic Web (12)
    - TK531 Current and voltage waveforms (16)
    - TK6401+ telephone systems and instruments (5)
    - TK6564 Radio transmitter-receivers (59)
    - TK6564.4.C45 Cell phones (4)
    - TK6565.P3 Panels (6)
    - TK6565.T7 Transformers (38)
    - TK6570_iPhone (Smartphone). RFID. Mobile communication systems. (64)
    - TK6592.A9 Automatic tracking. (19)
    - TK6592.O6 Optical radar (13)
    - TK6630 Television (3)
    - TK7 Turbogenerators. Steam-turbines (20)
    - TK7867.5 Noise (10)
    - TK7868.P6 Power supply (35)
    - TK7870.23 Reliability. Failures (70)
    - TK7871.58 Audio amplifiers--Design and construction. (10)
    - TK7871.6 Antennas (Electronics) (98)
    - TK7871.674 Detectors. Sensors (238)
    - TK7872 Electric current converters, Electric inverters. (188)
    - TK7872 Electromagnetic Devices (79)
    - TK7872.C65 Supercapacitors. (5)
    - TK7872.C8 Current converters (10)
    - TK7872.F5 Filters (Electric) (11)
    - TK7878 Electronic instruments (193)
    - TK7882.B56 Biometric identification (18)
    - TK7882.P3 Pattern recognition systems (95)
    - TK7882.S65 Automatic speech recognition. (2)
    - TK7888.3 Digital computers (39)
    - TK7895.G36 Field programmable gate arrays--Design and construction. (7)
    - TK7895.S65 Speech recognition systems (20)
    - TK9956 Radio. Wireless telephone (14)
  - TL Motor vehicles. Aeronautics. Astronautics (1)
    - TL152.5 Motor vehicles Driving (54)
    - TL152.8 Vehicles, Remotely piloted. Autonomous vehicles. (127)
    - TL175 Parking facilities (40)
    - TL210 Automobiles--Lubrication systems. (9)
    - TL214 Automobiles--Motors--Pistons and piston rings. (14)
    - TL214.T87 Automobiles--Motors--Turbochargers (12)
    - TL220 Electric vehicles and their batteries, etc. (190)
    - TL220.5 Battery charging stations (Electric vehicles) (12)
    - TL221.5 Hybrid Vehicles. Hybrid cars (41)
    - TL229.D5 Diesel automobiles (19)
    - TL240.5 Composite materials (109)
    - TL257 Springs and suspension (37)
    - TL257.5 Automobiles--Shock absorbers--Design and construction. (67)
    - TL262 Automobiles--Transmission devices--Design and construction. (5)
    - TL269.C474 Brakes--Maintenance and repair (20)
    - TL270 Automobiles--Wheels--Alignment. (11)
    - TL275.J6 Automobiles--Maintenance and repair. (12)
    - TL410 Bicycles and bicycling--Design and construction (32)
    - TL440 Motorcycles. (31)
    - TL445.M369 Motorcycles--Electric equipment--Maintenance and repair. (10)
    - TL448 Electric motorcycles (56)
    - TL507.G77 Vortex generators. (11)
    - TL521 Aerodynamics, Hypersonic. (63)
    - TL521.3 Automatic Control (241)
    - TL574.C3 Cascade (7)
    - TL589.2.N3 Navigation computer (22)
    - TL671.6. Materials--Fatigue. (31)
    - TL671.9 Airplanes--Maintenance and Repair (18)
    - TL673.F6 Flaps (Airplane) (3)
    - TL681.A5 Air conditioning (Aeronautics ) (9)
    - TL696.C6 Airplanes--Collision avoidance (7)
    - TL697.P6 Pneumatic equipment (7)
    - TL725 Airport terminals. (4)
    - TL725.3 Traffic Control (37)
    - TL725.3.B8 Airport buildings. (5)
    - TL725.3.P5 Airports--Planning. Airports--Design and construction. (7)
    - TL725.3.R8 Runways (6)
    - TL725.3.T7 Air traffic control (5)
    - TL776 .N67 Quadrotor helicopters--Automatic control (34)
    - TL777 Details and parts of models (Including propellers) (11)
    - TL795.515 Reusable space vehicles (1)
    - TL798.N3 Global Positioning System. (16)
  - TN Mining engineering. Metallurgy (22)
    - TN23 Metal cladding. (10)
    - TN24 Aquifers (2)
    - TN269 Prospecting--Geophysical methods (44)
    - TN271.K2 Kaolin (5)
    - TN295 Fly ash (21)
    - TN408.N56 Sand, Iron (7)
    - TN490 Zircon mines and mining (3)
    - TN677 Blast furnaces. (22)
    - TN687 Electric furnaces. (14)
    - TN688 Hydrometallurgy (33)
    - TN689+ Physical metallurgy (19)
    - TN690 Metallography. Physical metallurgy (111)
    - TN693.M3 Magnesium (10)
    - TN752.I5 Steel--Heat treatment (163)
    - TN752.Q4 Metals--Quenching (6)
    - TN775 Aluminum alloys--Metallurgy. (29)
    - TN799.N6 Nickel--Metallurgy (35)
    - TN871.3 Offshore well drilling (26)
    - TN879.5 Petroleum pipelines (55)
    - TN879.6 Welding (86)
    - TN880.5 Natural gas pipelines (33)
  - TP Chemical technology (262)
    - TP1140 Polymers (211)
    - TP1151 Special molding and casting processes (9)
    - TP1175.S6 Spraying Coating with plastics (6)
    - TP155.5 Chemical plants--Design and construction (259)
    - TP155.7 Chemical processes. (61)
    - TP156 Crystallization. Extraction (Chemistry). Fermentation. Distillation. Emulsions. (262)
    - TP156.C64 Controlled release technology (5)
    - TP159.A5 Antioxidants (6)
    - TP159.M4 Membranes (Technology) (34)
    - TP159.M6 Zeolites (19)
    - TP159.S4 Separators (Machine) (31)
    - TP245.A4 Aluminum fluoride (1)
    - TP245.C3 Calcium carbonate. (14)
    - TP245.S5 Silica gel. (4)
    - TP248 Nanogels. Nanoparticles. (125)
    - TP248.25.B55 Bioreactors--Fluid dynamics. (3)
    - TP248.25.M45 Membrane reactors (10)
    - TP248.25.M46 Membrane separation (41)
    - TP248.25.N35 Microencapsulation. (5)
    - TP248.27.P55 Plant biotechnology. (10)
    - TP248.3 Biochemical engineering. Bioprocess engineering (76)
    - TP248.65.C55 Chitosan--Biotechnology. (15)
    - TP248.65.P76 Proteins--Biotechnology. (3)
    - TP248.S6 Sorbitol (1)
    - TP255 Electrochemistry, Industrial. (152)
    - TP339 Ethanol as fuel. Biomass energy. (79)
    - TP343 Liquid and gaseous fuel (79)
    - TP350 Natural gas--Drying. (70)
    - TP359 Biogas (89)
    - TP359.B46 Biodiesel fuels. (52)
    - TP370 Food processing and manufacture (85)
    - TP382 Sugar--Analysis. (9)
    - TP451.E3 Edible coatings. (4)
    - TP492.3 Refrigeration and refrigerating machinery (24)
    - TP669 Oils, fats, and waxes (46)
    - TP692.5 Oil and gasoline handling and storage (56)
    - TP761.L5 Liquefied natural gas (16)
    - TP845+ Glass manufacture (1)
    - TP883 Portland cement. (17)
    - TP884.L5 Lightweight concrete (5)
    - TP894 Bleaching, cleaning, scouring (9)
    - TP994 Surface active agents. (17)
  - TR Photography (2)
    - TR260.7 Autofocus cameras (4)
    - TR263.S37 Sea & Sea cameras. (2)
    - TR267.733.M85 Multispectral imaging (17)
    - TR810 Aerial photography (9)
    - TR845 Cinematography. Video recordings. (30)
    - TR897.5 Animation (Cinematography) (10)
    - TR897.7 Computer animation (56)
  - TS Manufactures (198)
    - TS1017 Athletic shoes (5)
    - TS155 Production control. Production planning. Production management (216)
    - TS156 Quality Control. QFD. Taguchi methods (Quality control) (373)
    - TS157.5 Production scheduling (56)
    - TS161 Materials management. (41)
    - TS167 Costs, Industrial (191)
    - TS170 New products. Product Development (198)
    - TS171 Product design (418)
    - TS173 Reliability of industrial products (60)
    - TS174 Maintainability (Engineering) . Reliability (Engineering) (148)
    - TS176 Manufacturing engineering. Process engineering (Including manufacturing planning, production planning) (262)
    - TS183 Manufacturing processes. Lean manufacturing. (105)
    - TS195 Packaging (30)
    - TS205 Metals--Heat treatment. (41)
    - TS227 Welding. (123)
    - TS2301.T7 Toys, etc (11)
    - TS233 Sand casting. Metal castings--Thermal properties. (26)
    - TS253 Die-Casting (30)
    - TS280 Pipe Bending, Tube Bending (40)
    - TS283 Pressure vessels. (15)
    - TS320 Steel--Metallurgy. (36)
    - TS670 Electroplating (5)
    - TS695 Physical/Chemical vapor deposition (7)
    - TS699 Powder coating of metals (30)
  - TT Handicrafts Arts and crafts (1)
    - TT149 Craft festivals--Planning. (1)
    - TT157 Handicraft. (3)
    - TT199.7 Wood-carving. (4)
  - TX Home economics (6)
    - TX349 Nutrition. Foods and food supply (21)
    - TX911.2 Hotels--Design and construction. (6)
    - TX911.3.P46 Hotels--Planning. (2)
- C Auxiliary Sciences of History (5)
  - C Auxiliary sciences of history (General) (4)
  - CB History of civilization (5)
  - CC Archaeology (9)
  - CD Diplomatics. Archives. Seals (1)
    - CD921 Archives (1)
  - CE Technical chronology. Calendar (2)
  - CT Biography (1)
- D History General and Old World (1)
  - D History (General) (4)
    - D051 Ancient History (12)
    - D111 Medieval History (4)
    - D204 Modern History (5)
    - D731 World War II (4)
    - D839 Post-war History, 1945 on (4)
    - D880 Developing Countries (3)
    - D901 Europe (General) (1)
  - DF Greece (1)
  - DJ Netherlands (Holland) (2)
  - DS Asia (10)
  - DT Africa (1)
  - DU Oceania (South Seas) (1)
- E History America (1)
  - E151 United States (General) (1)
- G Geography. Anthropology. Recreation (17)
  - G Geography (General) (35)
    - G109.5 Global Positioning System (128)
    - G155 Tourism (216)
    - G155.A55 Tourism and city planning (35)
    - G2566 Tourist maps (7)
    - G70.212 ArcGIS. Geographic information systems. (376)
    - G70.217 Geospatial data (285)
    - G70.5.I4 Remote sensing (313)
  - GA Mathematical geography. Cartography (5)
    - GA102.4.R44 Cartography--Remote sensing (25)
    - GA105.3 Cartography. (23)
    - GA109.5 Multipurpose cadastres. (5)
    - GA139 Digital Elevation Model (computer program) (44)
  - GB Physical geography (50)
    - GB1003.2 Groundwater. (29)
    - GB1197.7 Groundwater flow. Reservoirs (44)
    - GB1199.5 Geothermal resources (11)
    - GB1399.2 Flood forecasting. (5)
    - GB1399.9 Floods (50)
    - GB600 Karst conservation. (15)
    - GB651 Subsidences (Earth movements) (7)
  - GC Oceanography (15)
    - GC101.2 Seawater--Analysis (2)
    - GC1018.5 Ocean zoning. (14)
    - GC89 Sea Level (15)
  - GE Environmental Sciences (213)
    - GE195.5 Green movement (11)
  - GF Human ecology. Anthropogeography (20)
    - GF78 T73 Sustainable living. (21)
  - GN Anthropology (15)
  - GR Folklore (17)
  - GT Manners and customs (8)
  - GV Recreation Leisure (26)
    - GV1312 Board games. (4)
    - GV1469.15 Mobile games. (15)
    - GV1469.2 Computer games (123)
    - GV423 Playgrounds. (4)
    - GV191.66 Outdoor recreation resources planning and management (57)
- H Social Sciences (266)
  - H Social Sciences (General) (309)
    - H61.4 Forecasting in the social sciences (76)
  - HA Statistics (266)
    - HA29 Theory and method of social science statistics (266)
    - HA30.3 Time-series analysis (232)
    - HA30.6 Spatial analysis (157)
    - HA31.3 Regression. Correlation. Logistic regression analysis. (457)
    - HA31.35 Analysis of variance (76)
    - HA31.38 Data envelopment analysis. (48)
    - HA31.7 Estimation (187)
  - HB Economic Theory (63)
    - Economic forecasting--Mathematical models. (190)
    - HB615 Entrepreneurship. (51)
    - HB801 Consumer behavior. (186)
    - HB846.2 Cost benefit analysis (63)
  - HC Economic History and Conditions (2)
    - HC108 Market surveys. (79)
    - HC441 Macroeconomics. (29)
    - HC60.M34 Technical assistance. (2)
    - HC79.E5 Sustainable development. (circular economy) (66)
    - HC79.I5 Income distribution (7)
  - HD Industries. Land use. Labor (29)
    - HD108 Classification (Theory. Method. Relation to other subjects ) (76)
    - HD1387 Valuation (10)
    - HD1391 Apartment houses (100)
    - HD1393.25 Business enterprises (74)
    - HD1698.A1 Water-supply, Rural--Asia. (1)
    - HD28 Management. Industrial Management (360)
    - HD30.2 Knowledge management. (62)
    - HD30.213 Management information systems. Dashboards. Enterprise resource planning. (148)
    - HD30.23 Decision making. Business requirements analysis. (212)
    - HD30.24 Feasibility studies. Feasibility appraisals (60)
    - HD30.27 Business forecasting (10)
    - HD30.28 Planning. Business planning. Strategic planning. (354)
    - HD30.335 Communication systems (23)
    - HD31 Management--Evaluation (214)
    - HD3656 Inspection. Factory inspection (16)
    - HD38.5 Business logistics--Cost effectiveness. Supply chain management. ERP (257)
    - HD38.7 Business intelligence. Trade secrets (16)
    - HD39.5 Industrial procurement. (56)
    - HD4465 Water utilities--Rates (22)
    - HD45 Technological innovations (44)
    - HD49 Crisis management. Emergency management (13)
    - HD55 Inventory control (125)
    - HD56.25 Industrial efficiency--Measurement. Industrial productivity--Measurement. (125)
    - HD58.7 Corporate culture. (18)
    - HD58.87 Reengineering (Management) Business process (31)
    - HD58.93 Balanced scorecard (39)
    - HD61 Risk Management (409)
    - HD618 Open spaces (48)
    - HD62.15 Total quality management. (19)
    - HD62.5 New business enterprises. Business incubators. (30)
    - HD69.S8 Strategic alliances (Business) (6)
    - HD69.T54 Time management. Scheduling (89)
    - HD6978 Cost and standard of living. (1)
    - HD7255 Vocational rehabilitation. Employment of people with disabilities (2)
    - HD7293 Housing policy (41)
    - HD74 Internet advertising. (11)
    - HD7526 Model communities. Model industrial (15)
    - HD9000 Agricultural industries (29)
    - HD9450.5 Fish trade. (3)
    - HD9490.A2 Essences and essential oils industry. (3)
    - HD9581.2.L57+ Liquefied natural gas (2)
    - HD9581.2.L573 Liquefied natural gas shipping terminals--Safety measures. (2)
    - HD9590+ Ceramic (1)
    - HD9622 Cement. Concrete. Cement and concrete additives (23)
    - HD9685.A2 Electric utilities. Electrification (6)
    - HD9695.U52 Electric generator industry (1)
    - HD9696 Temperature control equipment (29)
    - HD9706.2 Measuring instruments (31)
    - HD9980.5 Service industries--Quality control. (87)
    - HD9995.P75-.P754 Prosthesis (1)
    - HD9999.C715-.C7154 Composite materials (23)
    - HD9999.H362 Handicraft--Marketing. (3)
    - HD9999.N36+ Nanostructured materials (1)
  - HE Transportation and Communications (27)
    - HE147.6 Transportation--Planning (14)
    - HE1976 Tickets (8)
    - HE311.I4 Urban transportation (231)
    - HE336.C5 Choice of transportation (83)
    - HE336.R68 Route choice (65)
    - HE355 Traffic engineering (88)
    - HE355.4 Toll roads (44)
    - HE551 Cargo handling. Harbors--Management. (18)
    - HE551.W36 Container terminals--Management. (12)
    - HE5614.2 Traffic safety (12)
    - HE5614.3.N5 Traffic accidents (27)
    - HE564.A1 Shipping (108)
    - HE566.F7 Freighters. Cargo ships (35)
    - HE566.S3 Sailing ships (22)
    - HE566.T3 Tankers (14)
    - HE5736 Bicycle transportation (15)
    - HE9787.5 Airplanes--Ground handling (11)
  - HF Commerce (94)
    - HF1414 Competition, International (1)
    - HF1916 Tariff (10)
    - HF54.54 Electronic information resources. Digital libraries (11)
    - HF5415.1265 Internet marketing. (94)
    - HF5415.127 Market segmentation. Target marketing (121)
    - HF5415.15 Branding (Marketing) (108)
    - HF5415.155 Product life cycle. (8)
    - HF5415.32 Consumers' preferences (110)
    - HF5415.335 Consumer satisfaction (197)
    - HF5415.5 Customer services. Customer relations (106)
    - HF5415.52 Consumer complaints. Complaint letters (11)
    - HF5415.7 Physical distribution management (13)
    - HF5416.5 Pricing (27)
    - HF5438.35 Data Processing (selling) (9)
    - HF5485 Warehouses--Management (18)
    - HF5548.32 Electronic commerce. (80)
    - HF5548.34 Mobile commerce. (31)
    - HF5548.85 Job stress (2)
    - HF5549 Job analysis. Personnel management. Employment management (57)
    - HF5549.2 Personel Management (47)
    - HF5549.5 Job evaluation. (17)
    - HF5549.5.J63 Job satisfaction (Personnel management) (28)
    - HF5549.5.M63 Employee motivation. (7)
    - HF5549.5.P35 Performance standards (97)
    - HF5549.5.P7 Promotions. (21)
    - HF5601 Accounting (8)
    - HF5658.5 Price fluctuations (5)
    - HF5681.R34 Lease or buy decisions (1)
    - HF5686 Fuel (13)
    - HF5686.C1175 Cemeteries (1)
    - HF5686.C8 Activity-based costing (6)
    - HF5843 Outdoor advertising. Billboards. Posters (11)
    - HF6161.F616 Food. Food service (14)
  - HG Finance (50)
    - HG3751 Credit--Management. (13)
    - HG3881 Foreign exchange. (9)
    - HG4012 Mathematical models (50)
    - HG4028.V3 Valuation. Economic value (50)
    - HG4529 Investment analysis (166)
    - HG4529.5 Portfolio management (59)
    - HG4910 Investments (98)
    - HG4915 Stocks--Prices (29)
    - HG8051 Insurance (7)
    - HG8054.5 Risk (Insurance) (5)
    - HG8771 Life insurance (26)
  - HJ Public Finance (72)
  - HM Sociology (26)
    - HM141 Leadership (26)
    - HM24 Social prediction. (5)
    - HM742 Online social networks. (43)
  - HN Social history and conditions. Social problems. Social reform (160)
    - HN690.5 Slums (41)
  - HQ The family. Marriage. Woman (24)
    - HQ2042 life style (24)
  - HS Societies secret benevolent etc (1)
  - HT Communities. Classes. Races (195)
    - HT133 City and Towns. Land use,urban (264)
    - HT166 City Planning--Environmental aspects (195)
    - HT390+ Coastal zone management (18)
  - HV Social pathology. Social and public welfare (3)
    - HV1597.2 Deafblind people--Education. (2)
    - HV1669 Braille (6)
    - HV551.5.I4 Hazard mitigation (24)
    - HV6074.F66 Fingerprints. (1)
    - HV6691 Fraud--Prevention (3)
    - HV8079.C65 Computer crimes (3)
  - HX Socialism. Communism. Anarchism (6)
- J Political Science (6)
  - J General legislative and executive papers (2)
  - JA Political science (General) (6)
  - JC Political theory (1)
  - JF Political institutions (General) (4)
    - JF1351.H6 Public administration. (7)
  - JQ Political institutions Asia (2)
  - JS Local government Municipal government (33)
  - JV Colonies and colonization. Emigration and immigration. International migration (1)
  - JX International law (1)
  - JZ International relations (2)
- K Law (22)
  - K Law (General) (22)
  - KZ Law of Nations (5)
    - KZA1450 Maritime boundaries. (1)
- L Education (13)
  - L Education (General) (292)
  - LA History of education (19)
  - LB Theory and practice of education (13)
    - LB1029.S53 Educational games. Simulation methods (127)
    - LB1044.87 Internet in education (e-learning). Virtual reality in education. (74)
    - LB1044.9.C59 Comic books, strips, etc., in education. (7)
    - LB1501 Primary Education (13)
    - LB1603 Secondary Education. High schools (30)
    - LB2300 Higher Education (19)
    - LB2361 Curriculum (9)
    - LB2965.T28 Education--Taiwan (1)
  - LC Special aspects of education (14)
    - LC156 Literacy (6)
    - LC5201 Education extension. Adult education. Continuing education (14)
    - LC5800 Distance education. (3)
  - LD Individual institutions (United States) (1)
  - LG Individual institutions (Asia. Africa) (5)
  - LT Textbooks (4)
- M Music and Books on Music (5)
  - M Music (35)
  - ML Literature of music (5)
  - MT Musical instruction and study (5)
- N Fine Arts (31)
  - N Visual arts (General) For photography, see TR (135)
    - N7433.8 Virtual reality (1)
  - NA Architecture (31)
    - NA105 Historic preservation (2)
    - NA109.G7 Architecture--Conservation and restoration (1)
    - NA1507.K45 Building, Wooden. (26)
    - NA2005 Architectural studios. (8)
    - NA2542.36 Sustainable architecture (118)
    - NA2542.8 Water and architecture (Aquatecture) (8)
    - NA2728 Architectural design--Data processing (9)
    - NA2750 Architectural design. (316)
    - NA2750.N27 Architectural design--Evaluation. (20)
    - NA2941 Facades (41)
    - NA4670 Mosques (13)
    - NA6300 Airport terminals. (11)
    - NA6310 Railroad stations. (13)
    - NA6320 Bus terminals (17)
    - NA6600 Education buildings (166)
    - NA6602.D6 Dormitories (22)
    - NA6695 Art museums and galleries (38)
    - NA7115 Domestic architecture. Houses. Dwellings (231)
    - NA7820 Hotels. Inns. Hotel lobbies For resorts (49)
    - NA7860 Apartment houses. (25)
    - NA8201 Farm buildings (2)
    - NA9051 Residential areas. Site planning (75)
    - NA9053 City planning (268)
    - NA9074 Pedestrian areas (31)
  - NB Sculpture (3)
    - NB1250 Wood sculpture--Technique. (3)
  - NC Drawing Design Illustration (327)
  - ND Painting (16)
  - NE Print media (95)
  - NK Decorative arts Applied arts Decoration and ornament (21)
    - NK1505 Design--Philosophy (28)
    - NK1535.B3 Design (83)
    - NK2115 Interior decoration (410)
    - NK2115.5.F77 Furniture (93)
    - NK2195.V34 Vacation homes. Resort houses. Summerhouses (12)
    - NK2589 Furniture design (21)
    - NK9503 Batik--Themes, motives. (17)
  - NX Arts in general (4)
    - NX456.5.P38 Performance art. (4)
- P Language and Literature (18)
  - P Philology. Linguistics (1)
    - P325 Semantics. (4)
  - PI Oriental languages and literatures (1)
  - PL Languages and literatures of Eastern Asia, Africa, Oceania (1)
  - PN Literature (General) (18)
    - PN0441 Literary History (4)
    - PN1990 Broadcasting (2)
    - PN1992.94 Video recordings--Production and direction. (22)
    - PN1993 Motion Pictures (18)
    - PN1995.9 Documentary films--Production and direction (11)
  - PZ Childrens literature (7)
- Q Science (16)
  - Q Science (General) (22)
    - Q180 Gravitation. (7)
    - Q180.55.M38 Mathematical models (202)
    - Q325 GMDH algorithms. (22)
    - Q325.5 Machine learning. Support vector machines. (518)
    - Q325.78 Back propagation (40)
    - Q337.3 Swarm intelligence (40)
    - Q337.5 Pattern recognition systems (51)
    - Q370 Entropy (Information theory) (17)
  - QA Mathematics (71)
    - QA336 Artificial Intelligence (355)
    - QA11 .A36 1991 Mathematics--Study and teaching. (5)
    - QA141 Numeracy--Problems, exercises, etc. (15)
    - QA159 Algebra (39)
    - QA166 Graph theory (75)
    - QA184 Algebra, Linear (77)
    - QA246.8 Gaussian (18)
    - QA248_Fuzzy Sets (88)
    - QA269 Game theory (38)
    - QA273.5 Stochastic geometry (6)
    - QA273.6 Weibull distribution. Logistic distribution. (23)
    - QA274.2 Stochastic analysis (64)
    - QA274.7 Markov processes--Mathematical models. (57)
    - QA274.8 Queuing theory (6)
    - QA275 Theory of errors. Least squares. Including statistical inference. Error analysis (Mathematics) (50)
    - QA276 Mathematical statistics. Time-series analysis. Failure time data analysis. Survival analysis (Biometry) (302)
    - QA278 Cluster Analysis. Multivariate analysis. Correspondence analysis (Statistics) (265)
    - QA278.2 Regression Analysis. Logistic regression (774)
    - QA278.3 Structural equation modeling. (156)
    - QA278.5 Principal components analysis. Factor analysis. Correspondence analysis (Statistics) (142)
    - QA278.55 Cluster analysis (191)
    - QA279 Response surfaces (Statistics). Analysis of covariance. (15)
    - QA279.5 Bayesian statistical decision theory. (88)
    - QA280 Box-Jenkins forecasting (146)
    - QA322.2 Normed linear spaces. Banach spaces (9)
    - QA329.6 Hankel operators. (4)
    - QA353.K47 Kernel functions (analysis) (37)
    - QA371 Differential equations--Numerical solutions (59)
    - QA372.B9 Differential equations--Numerical solutions. Runge-Kutta formulas--Data processing. (39)
    - QA380 Bifurcation theory (3)
    - QA39.3 Fuzzy mathematics (28)
    - QA401 Mathematical models. (196)
    - QA402 System analysis. (83)
    - QA402.3 Kalman filtering. (86)
    - QA402.5 Genetic algorithms. Interior-point methods. (96)
    - QA402.6 Transportation problems (Programming) (47)
    - QA403.3 Wavelets (Mathematics) (25)
    - QA404 Fourier series (35)
    - QA611.28 Metric spaces (19)
    - QA614.58 Catastrophes (10)
    - QA614.8 Differentiable dynamical systems (25)
    - QA640.7 Discrete geometry (8)
    - QA75 Electronic computers. Computer science. EDP (295)
    - QA76 Computer software (392)
      - QA76.8 Microprocessor (48)
    - QA76.585 Cloud computing. Mobile computing. (75)
    - QA76.5915 Ubiquitous computing. (6)
    - QA76.6 Computer programming. (280)
    - QA76.625 Internet programming. (21)
    - QA76.754 Software architecture. Computer software (88)
    - QA76.758 Software engineering (235)
    - QA76.76.A63 Application program interfaces (73)
    - QA76.76.A65 Application software. Enterprise application integration (Computer systems) (154)
    - QA76.76.E95 Expert systems (14)
    - QA76.76.P37 Software patterns. (7)
    - QA76.76.P74 Software productivity--Measurement. Function point analysis. (4)
    - QA76.76.S64 Software maintenance. (16)
    - QA76.774.A53 Android (78)
    - QA76.87 Neural networks (Computer Science) (706)
    - QA76.9 Computer algorithms. Virtual Reality. Computer simulation. (206)
    - QA76.9.A25 Computer security. Digital forensic. Data encryption (Computer science) (71)
    - QA76.9.C55 Client/server computing (12)
    - QA76.9.D33 Data compression (Computer science) (14)
    - QA76.9.D343 Data mining. Querying (Computer science) (281)
    - QA76.9.D37 Data warehousing. (7)
    - QA76.9.E77 Error messages (1)
    - QA76.9.F38 Fault-tolerant computing (11)
    - QA76.9.I52 Information visualization (30)
    - QA76.9.I58 Recommender systems (Information filtering) (28)
    - QA76.9.U83 Graphical user interfaces. User interfaces (Computer systems)--Design. (85)
    - QA76.9D338 Data integration (27)
    - QA76.F56 Data structures (Computer science) (30)
    - QA9.58 Algorithms (190)
    - QA9.64 Fuzzy logic (253)
    - QA911 Fluid dynamics. Hydrodynamics (56)
    - QA935 Vibration (35)
  - QB Astronomy (11)
    - QB336 Gravity anomalies (19)
    - QB415.2 Tides. (7)
  - QC Physics (3)
    - QC 611.97.T46 Temperature effects. Including transition temperature (45)
    - QC1 Dielectrics (12)
    - QC100 Crystals. (25)
    - QC100.5 Measuring instruments (General) (146)
    - QC107 .A67 Quartz crystal microbalances. (3)
    - QC111 Density and specific gravity (37)
    - QC151 Fluid dynamics (85)
    - QC162 Adsorption and absorption (63)
    - QC173.4.C63 Composite materials (146)
    - QC174.17.M33 Markov processes (1)
    - QC174.17.Q38 Quantum teleportation (13)
    - QC179 Gravitational waves--Measurement--Statistical methods (1)
    - QC20.7.F67 Fourier transformations (27)
    - QC221 Acoustics. Sound (94)
    - QC242.5.O23 Ocean tomography. (1)
    - QC243.5 Infrasonic waves--Measurement (1)
    - QC271 Temperature measurements (144)
    - QC271.8.C3 Calibration (47)
    - QC320 Heat transfer (144)
    - QC389 Light--Transmission--Mathematical models. (7)
    - QC411 Interferometry. (2)
    - QC446.3.H37 Harmonics (Electric waves) (12)
    - QC448 Fiber optics. (58)
    - QC451 Spectroscopy (30)
    - QC457 Infrared technology. (21)
    - QC475 Photoluminescence (23)
    - QC585 Dielectrics (10)
    - QC585.75.S55 Silica (24)
    - QC610.3 Electric conductivity (86)
    - QC611.97.C54 Superconductors (5)
    - QC631.D29 Electrodynamics. (5)
    - QC665.E38 Electric fields. (15)
    - QC701 Electric discharges--Measurement. (3)
    - QC718 Magnetohydrodynamics. (6)
    - QC765 Magnetic materials (35)
    - QC766.F3 Ferrites (6)
    - QC793.5.N42 Neutrinos. (2)
    - QC795.5 Radioactivity and radioactive Instruments and apparatus (General) (10)
    - QC851 Coordinates--Measurement. (6)
    - QC866.5 Climatology--Forecasting. (11)
    - QC871 Meteorology--Observations. (11)
    - QC881.2.I6 ionosphere (3)
    - QC912.3 Greenhouse gases (1)
    - QC925 Rain and rainfall (13)
    - QC973.4.T76 Tropospheric radio waves Including absorption, propagation, etc. (17)
  - QD Chemistry (16)
    - QD75.2 Chemistry, Analytic (135)
    - Polymerization (68)
    - QD281 Pyrolysis (21)
    - QD1 Oxidation-reduction reaction. (20)
    - QD115 Electrochemical analysis (62)
    - QD117 Absorption (61)
    - QD117.S64 Spectrophotometry (61)
    - QD181.S6 A4 Aluminum silicates (23)
    - QD181.Z6 Zinc oxide (18)
    - QD251.2 Chemistry, Organic. Biochemistry (247)
    - QD305.A2 O73 Esterification (14)
    - QD320 Cellulose. Hydrolysis (70)
    - QD341 Coumarins (4)
    - QD341.H9 Graphene (16)
    - QD341.P5 Phenols. (6)
    - QD383 Epoxy Compounds (7)
    - QD416 Essences and essential oils. (21)
    - QD471 Chemical compounds - Structure and formulas (100)
    - QD481 Chemical structure. (32)
    - QD501 Catalysis. Catalysts. (145)
    - QD502 Chemical kinetics (61)
    - QD547 Flocculation, precipitation, adsorption, etc. (79)
    - QD553 Electrochemistry. Electrolysis (61)
    - QD569 Electrocatalysis. (7)
    - QD63 Extraction (107)
    - QD63.O9 Electrolytic oxidation. (6)
    - QD63.S4 Separation (Technology) (44)
    - QD716 Photocatalysis. (94)
    - QD79.T38 Thermal analysis (12)
    - QD905.2 Crystals. (12)
    - QD96F56 Fluorescence spectroscopy (22)
  - QE Geology (8)
    - QE1.F557 Magnetic anomalies--Measurement. (11)
    - QE33.2.R33 Ground penetrating radar (1)
    - QE391.A6 Hydroxyapatite (1)
    - QE391.Z7 Zircon (4)
    - QE471 Sedimentary rocks. Sedimentology (50)
    - QE528 Mudflows (2)
    - QE538.5 Seismic tomography; Seismic waves. Elastic waves (77)
    - QE538.8 Earthquakes. Seismology (80)
    - QE539 Microseisms. (8)
    - QE539.2 Seismic traveltime inversion (21)
    - QE539.2.S4 Seismic models (62)
    - QE571 Sedimentation and deposition. Sediment transport. Erosion. (94)
    - QE598 Land subsidence (6)
    - QE599 Landslides. Rockslides (14)
    - QE599.I5 Mudflows--Indonesia--Sidoarjo. (1)
    - QE601 Geology, Structural (170)
    - QE604 Deformation (23)
  - QH Biology (34)
    - QH541.5.M27 (1)
    - QH301 Biology (220)
    - QH426 Genetics (15)
    - QH541 Ecology (85)
    - QH541.15.T68 Toxicity testing (34)
    - QH541.5.S35 Seashore. Tidal pools (1)
    - QH601 Cell membranes (3)
    - QH75 Nature conservation. Landscape protection. Biodiversity conservation. Endangered species and ecosystems (General). Habitat conservation. Ecosystem management. Conservation biology (64)
    - QH9 Eelgrass. (1)
    - QH91.8.S64 Species diversity (17)
  - QK Botany (16)
    - QK14.5 Botanical literature (Including works on herbals) (3)
    - QK495.A14 Seagrasses. (2)
    - QK568 Microalgae (25)
    - QK710 Plant physiology (45)
    - QK731 Growth (Plants) (6)
    - QK751 Plants--Effect of air pollution on (6)
    - QK754.7.D75 Droughts. Drought tolerance (3)
    - QK870 Plant-water relationships (6)
    - QK898.L56 Lipids (1)
    - QK899 Xanthone (7)
    - QK938.M27 Mangrove forests and swamps (16)
  - QL Zoology (4)
    - QL406.5 Shells (1)
    - QL435.A3 Crustacea (4)
    - QL639.1 Fishes--Growth. (17)
  - QM Human anatomy (19)
    - QM101 Skeleton. Osteology (4)
  - QP Physiology (1)
    - Q376.5 Electroencephalography (EEG) (20)
    - QP310.W3 Gait in humans. (3)
    - QP34.5 Human engineering (30)
    - QP357.5 Computational neuroscience (1)
    - QP517.B5 Biodegradation. (10)
    - QP519.9.E434 Electrophoresis. (5)
    - QP552.C6 Collagen--Analysis (1)
    - QP609.P78 Proteolytic enzymes. (6)
    - QP624 Molecular biology. (23)
    - QP772.C5 Choline--Analysis (1)
    - QP801.B69 Biopolymers (8)
    - QP801.P64 Polymers--Biodegradation (7)
    - QP82.2.H8 humidity (10)
  - QR Microbiology (85)
    - QR 201.T84 Tumors. Cancer (30)
    - QR180 Immunology (2)
    - QR187.4 Phagocytosis (3)
    - QR355 Virology (3)
    - QR74.8 Bacteria (85)
    - QR96.8 Adhesion (1)
- R Medicine (5)
  - R Medicine (General) (4)
    - R727.3 Patient satisfaction. (19)
    - R853.S7 Survival analysis (Biometry) (21)
    - R856.2 Medical instruments and apparatus. (20)
    - R857 Biomedical materials--Effect of lasers on (4)
    - R857.M3 Biomedical materials. Biomedical materials--Testing. (15)
    - R858 Deep Learning (146)
  - RA Public aspects of medicine (61)
    - RA0421 Public health. Hygiene. Preventive Medicine (61)
    - RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine (3)
    - RA567 Medical waste. (9)
    - RA644.C67 COVID-19 (Disease) (41)
    - RA653.5 Epidemics (5)
    - RA960+ Hospitals (21)
    - RA971 Health services administration. (24)
  - RB Pathology (27)
  - RC Internal medicine (1)
    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (23)
    - RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry (8)
    - RC1200 Sports Medicine (5)
    - RC137 Dengue (11)
    - RC254 Transglutaminases. (1)
    - RC346 Nervous system--Diseases--Prognosis. (4)
    - RC386.5 Electroencephalography. (10)
    - RC683.5.E5 Electrocardiography (16)
    - RC683.5.E5K24 Electrocardiographs--Maintenance and repair. (1)
    - RC691 Blood-vessels--Diseases. (2)
    - RC76.3 Auscultation. (1)
    - RC771 Pneumonia. (9)
    - RC78 Diagnosis, Radioscopic--Examinations, questions, etc. (10)
    - RC78.7.N83 Magnetic resonance imaging. (16)
    - RC78.7.U4 Ultrasonic imaging. (2)
    - RC901.7.H45 Hemodialysis. (14)
  - RD Surgery (16)
    - RD130 Artificial organs; Prosthesis (21)
    - RD132 Implants, Artificial. (10)
    - RD755.5.C35 Orthopedic implants. (1)
    - RD755.6 Bone substitutes. (4)
  - RE Ophthalmology (5)
    - RE48 Eye--Diseases. Ophthalmoscopy. (5)
  - RF Otorhinolaryngology (3)
    - RF538 Artificial larynx. (1)
  - RG Gynecology and obstetrics (10)
  - RJ Pediatrics (26)
    - RJ101 Child Health. Child health services (26)
  - RK Dentistry (1)
    - RK656 Complete dentures (1)
  - RL Dermatology (14)
  - RM Therapeutics. Pharmacology (34)
    - RM871 Electric stimulation. (14)
    - RM950 Rehabilitation technology. (34)
  - RS Pharmacy and materia medica (23)
  - RT Nursing (5)
    - RT89 Nursing services--Administration. (8)
  - RV Botanic, Thomsonian, and eclectic medicine (8)
  - RX Homeopathy (2)
  - RZ Other systems of medicine (62)
- S Agriculture (3)
  - S Agriculture (General) (3)
    - S494.5.D58 Diversification (15)
    - S593.2 Soil Structure (19)
    - S600.7.P53 Planting time (19)
    - S600.7.R35 Rain and rainfall (20)
    - S602.87 Shifting cultivation (3)
    - S633.5 Fertilizers (41)
    - S654.5 Biofertilizers (6)
  - SB Plant culture (32)
    - SB191.R5 Rice farming (13)
    - SB409.58 Plant propagation. Including in vitro propagation (10)
    - SB951.145.N37 Natural pesticides (3)
  - SD Forestry (16)
    - SD387.F52 Fire management (15)
  - SF Animal culture (16)
  - SH Aquaculture. Fisheries. Angling (76)
    - SH157.85 Artificial reefs. (7)
    - SH177.W64 Wood pulp industry (5)
    - SH223 Ocean temperature (1)
    - SH337.5 Fishing ports--Design and construction (29)
- U Military Science (72)
  - U Military Science (General) (15)
    - UG Military Engineering (15)
      - UG1242.D7 Unmanned aerial vehicles. Drone aircraft (49)
  - UG1242 Drone aircraft--Control systems. (unmanned vehicle) (72)
- V Naval Science (91)
  - V Naval Science (General) (375)
    - V220 Naval ports, bases, reservations, docks, etc. (142)
  - VC Naval Maintenance (91)
    - VC 270-279 Equipment of vessels, supplier,allowances,etc (119)
  - VK (30)
    - VK1258 Ships--Fires and fire prevention (17)
    - VK200 Merchant marine--Safety measures (30)
    - VK235 Cargo handling. (13)
    - VK358 Marine terminals (45)
    - VK361 Mooring of ships. Dry docks (38)
    - VK388 Sonar (6)
    - VK555 Navigation. (4)
    - VK570 Optimum ship routing. (22)
  - VM Naval architecture. Shipbuilding. Marine engineering (283)
    - Marine gas-turbines (13)
    - VM1 Ballast (Ships) (47)
    - VM144 Ships, Wooden. (3)
    - VM156 Naval architecture (182)
    - VM161 Ships--Hydrodynamics (166)
    - VM163 Hulls (Naval architecture) (200)
    - VM276.A1 Fuel (Including supplies, costs, etc.) (119)
    - VM293 Shipping--Indonesia--Safety measures (287)
    - VM297 Ships Designs and drawings (283)
    - VM298.5 Shipbuilding industri. Shipyards (166)
    - VM311 Catamarans. (64)
    - VM331 Yachts--Design and construction (1)
    - VM341 Motorboats (6)
    - VM362 Hydrofoil boats. (26)
    - VM365 Remote submersibles. Autonomous vehicles. (70)
    - VM381 Passenger ships (93)
    - VM453 Oceanographic research ships. (2)
    - VM464 Towboats. Tugboats (39)
    - VM471 Ships--Electric equipment (5)
    - VM485 Cold storage on ships. Marine refrigeration. (76)
    - VM731 Marine Engines (318)
    - VM740 Marine turbines (20)
    - VM751 Resistance and propulsion of ships (140)
    - VM753 Propellers (65)
    - VM761 Stability of ships (98)
    - VM773 Ship propulsion, Electric (167)
  - VM431 Fishing boats (118)
- Z Bibliography. Library Science. Information Resources (12)
  - Z004 Books. Writing. Paleography (12)
  - Z116.A3 Book design. (35)
  - Z278 Books (19)
  - Z286.C64 T46 Comic books, strips, etc.--Publishing. (8)
  - Z665 Library Science. Information Science (51)
  - Z666.7 Metadata. (7)
  - Z669.8 Bibliometrics (17)
  - Z674.75.W67 Webometrics. (2)
  - Z719 Libraries (General) (13)
  - ZA Information resources (43)
    - Z699.5 Information storage and retrieval systems (76)
    - ZA4050 Electronic information resources (77)
    - ZA4450 Databases (81)