Browse by Subject

Please select a value to browse from the list below.

Library of Congress Subject Areas (24614)
- A General Works (75)
  - AC Collections. Series. Collected works (17)
  - AI Indexes (General) (16)
  - AM Museums (General). Collectors and collecting (General) (22)
  - AS Academies and learned societies (General) (23)
  - AZ History of Scholarship The Humanities (3)
- B Philosophy. Psychology. Religion (53)
  - B Philosophy (General) (7)
  - BC Logic (1)
  - BF Psychology (33)
  - BH Aesthetics (6)
  - BJ Ethics (4)
  - BL Religion (2)
  - BP Islam. Bahaism. Theosophy, etc (7)
  - BV Practical Theology (2)
    - BV1460 Religious Education (2)
- T Technology (14989)
  - T Technology (General) (3180)
    - T11 Technical writing. Scientific Writing (17)
    - T174 Technological forecasting (103)
    - T174.5 Technology--Risk assessment. (146)
    - T201 Patents. Trademarks (11)
    - T385 Visualization--Technique (39)
    - T55 Industrial Safety (195)
    - T56.8 Project Management (418)
    - T57.5 Data Processing (347)
    - T57.6 Operations research--Mathematics. Goal programming (71)
    - T57.62 Simulation (258)
    - T57.74 Linear programming (20)
    - T57.8 Nonlinear programming. Support vector machine. Wavelets. Hidden Markov models. (47)
    - T57.83 Dynamic programming (34)
    - T57.84 Heuristic algorithms. (40)
    - T58.5 Information technology. IT--Auditing (210)
    - T58.6 Management information systems (397)
    - T58.62 Decision support systems (331)
    - T58.8 Productivity. Efficiency (120)
    - TA404 Materials--Biodegradation (13)
  - TA Engineering (General). Civil engineering (General) (2754)
    - TA1800 Fiber Optics (16)
    - TA357.5.S57 Sloshing (2)
    - TA1573 Detectors. Sensors (36)
    - TA158.7 Computer network resources (23)
    - TA1637 Image processing--Digital techniques (352)
    - TA1650 Face recognition. Optical pattern recognition. (22)
    - TA167.5 Neurotechnology. Neuroadaptive systems (6)
    - TA169 Reliability (Engineering) (58)
    - TA169.5 Failure analysis (37)
    - TA174 Computer-aided design. (43)
    - TA1815 Optical fiber detectors. Bragg gratings. (2)
    - TA347 Finite Element Method (216)
    - TA355 Vibration. (20)
    - TA357 Computational fluid dynamics. Fluid Mechanics (75)
    - TA417.3 Magnetic testing. (1)
    - TA418.16 Materials--Testing. (22)
    - TA418.38 Materials--Fatigue. (34)
    - TA418.42 Hardness properties and tests. Hardness--Testing. (16)
    - TA418.74 Corrosion and anti-corrosives (157)
    - TA418.75 Corrosion-resistant materials (22)
    - TA418.9 Composite materials. Laminated materials. (214)
    - TA418.9.C57 Coatings (11)
    - TA439 Lightweight concrete. High strength concrete. (7)
    - TA440 Concrete--Cracking. (53)
    - TA441 Aggregates (28)
    - TA443.A7 Asphalt (31)
    - TA444 Reinforced concrete (51)
    - TA455 Carbon. Nanotubes. (20)
    - TA455.A34 Adhesives (5)
    - TA455.G65 Graphene (1)
    - TA455.S6 Soil (Materials of engineering and construction) (72)
    - TA460 Metals--Fatigue. (13)
    - TA462 Metal Corrosion and protection against corrosion (17)
    - TA467 Iron and Steel Corrosion and protection against corrosion (18)
    - TA480.A6 Aluminum alloys. (1)
    - TA491 Metal coating. (32)
    - TA492.G5 Girders (8)
    - TA492.W4 Welded joints (22)
    - TA590 Topographical surveying (17)
    - TA593.35 Instruments, cameras, etc. (13)
    - TA645 Structural analysis (Engineering) (454)
    - TA656.2 Buckling (7)
    - TA658 Structural design (127)
    - TA660.C6 Columns (15)
    - TA660.F7 Structural frames. (11)
    - TA660.P55 Underground pipeline design, construction and management (13)
    - TA660.T34 Tanks. Pressure vessels (9)
    - TA681 Concrete construction (234)
    - TA683 Precast concrete construction. Prestressed concrete construction. (145)
    - TA749 Soil stabilization (129)
    - TA760+ Retaining walls (25)
    - TA775 Foundations. (68)
    - TA780 Piles and pile-driving (25)
    - TA780.C29 Piling (Civil engineering) (13)
  - TC Hydraulic engineering. Ocean engineering (1020)
    - TC147 Ocean wave power. (99)
    - TC1665 Offshore structures--Materials. (52)
    - TC167 Dams, reservoirs (47)
    - TC1680 Offshore structures (344)
    - TC173 Orifices. Nozzles. Jets (2)
    - TC175.2 Sediment transport (26)
    - TC203.5 Coastal engineering (38)
    - TC205 Harbors--Design and construction. (66)
    - TC333 Breakwaters (20)
    - TC343+ Reclamation of land from the sea (2)
    - TC357 Harbor Engineering. Piers, quays, and wharves (62)
    - TC363 Floating harbors. Including floating docks, piers, etc (13)
    - TC424 Water levels (40)
    - TC530 Flood control (27)
    - TC555 Spillways. Energy dissipation. Hydraulic jump. (25)
    - TC801 Reclamation of land (5)
    - TC812 Irrigation (70)
  - TD Environmental technology. Sanitary engineering (1085)
    - TD171.75 Climate change mitigation (31)
    - TD192.5 Bioremediation (26)
    - TD194.6 Environmental impact analysis (50)
    - TD195.B56 Biomass energy (33)
    - TD195.S47 Sewage disposal plants--Environmental aspects (3)
    - TD233 Water consumption (28)
    - TD259.2 Drinking water. Water quality (69)
    - TD375 Turbidity--Measurement. (14)
    - TD395 Reservoirs (water supply) (32)
    - TD418 Water harvesting (13)
    - TD420 Water pollution (63)
    - TD427.F58 Fly ash (6)
    - TD427.P62 Microplastics--Environmental aspects. (1)
    - TD430 Water--Purification. (56)
    - TD433 Water treatment plants (68)
    - TD455 Chemical precipitation. Coagulation. Flocculation. Water--Purification--Flocculation. (21)
    - TD479.3 Saline water conversion (9)
    - TD480.5 Electrodialysis (4)
    - TD481 Water distribution systems (40)
    - TD491 Spillways (12)
    - TD646 Sewage--Purification (166)
    - TD756.45 Anaerobic treatment (9)
    - TD767.7 Sewage sludge treatment and disposal (47)
    - TD789 Refuse and refuse disposal (77)
    - TD795.7 Sanitary landfills. Leachate--Purification. (11)
    - TD796 Incineration. Incinerators (7)
    - TD796.5 Composting (4)
    - TD799.85 Electronic apparatus and appliances waste (3)
    - TD878.47 Soil remediation (16)
    - TD883 Air quality management. (13)
    - TD883.2 Automobiles--Motors--Exhaust gas (5)
    - TD883.5 Air--Pollution (143)
    - TD887.B58 Air pollutants. Bituminous materials (8)
    - TD890 Global Environmental Monitoring System (21)
    - TD892 Noise control (30)
    - TD898.8.C67 Waste disposal (30)
    - TD899 Waste control in special industries, plants, processes, etc (20)
    - TD899.S68 Steam power plants (18)
  - TE Highway engineering. Roads and pavements (665)
    - TE175 Road and highway design (109)
    - TE215 Drainage (59)
    - TE228.3 Intelligent transportation systems. (11)
    - TE228.37 Vehicular ad hoc networks (Computer networks) (12)
    - TE251.T74 Pavements--Design and construction (11)
    - TE278.D523 Pavements, Concrete--Testing. (1)
    - TE7 TG300 Bridges--Design and construction. (17)
    - TE7 Transportation--Planning (342)
    - TE7.H5 Airports--Planning. Airport terminals--Planning (33)
  - TF Railroad engineering and operation (125)
    - TF1327.O58 High speed ground transportation (train) (11)
    - TF193 Estimates, costs, etc. (35)
    - TF240 Railway construction (8)
    - TF270 Railway structures and buildings (25)
    - TF4 Railroads--Automation. (1)
    - TF652 Station management (6)
    - TF872 Rails (Track) (6)
  - TG Bridge engineering (133)
    - TG362 Box girder bridges--Design and construction. (13)
  - TH Building construction (697)
    - TH1095 Earthquakes and building (62)
    - TH11 Builders' and contractors' bulletins. Including prices, permits, etc. (7)
    - TH1461 Concrete construction. (50)
    - TH2247 Shear walls--Materials (5)
    - TH2486 Skylights and ventilators (5)
    - TH2521 Floors and flooring (4)
    - TH3000 Basements--Remodeling. (12)
    - TH3351 Maintenance and repair (27)
    - TH385 Building layout. (17)
    - TH437 Building--Cost control. (135)
    - TH438 Construction industry--Management. Project management. (149)
    - TH438.13 Building information modeling. (13)
    - TH4811 House construction (10)
    - TH4860 Ecological houses--Design and construction. (3)
    - TH6515 Plumbing. (4)
    - TH6840 Piping installation. Pipefitting (11)
    - TH6882 Flame monitors Ignition devices Including electric ignitors (2)
    - TH7687.7 Cooling Systems and details (10)
    - TH7703 Illumination. Lighting (11)
    - TH880 Sustainable buildings. Sustainable construction. Green building (34)
    - TH900+ Construction equipment in building construction (11)
    - TH9737 Electronic security systems (1)
    - TH9745.D85 Dwellings (6)
  - TJ Mechanical engineering and machinery (2452)
    - TJ1058 Rotors (10)
    - TJ1077 Lubrication and lubricants. (11)
    - TJ1185 Metal-cutting--Problems, exercises, etc. (5)
    - TJ1186 Metal-cutting tools. (14)
    - TJ1186.B5 Metal-cutting tools--Design and construction. (9)
    - TJ1225 Milling machines numerically controlled (6)
    - TJ1230 Cutting and sawing machinery (20)
    - TJ1363 Cranes, derricks, etc. (9)
    - TJ1398 Conveyors (28)
    - TJ164 Power plants--Design and construction (179)
    - TJ165 Energy storage. (30)
    - TJ174 Maintenance and repair of machinery (69)
    - TJ211 Robotics. (75)
    - TJ211.4 Robot motion (18)
    - TJ211.415 Mobile robots (31)
    - TJ213 Automatic control. (150)
    - TJ217 Adaptive control systems (11)
    - TJ217.2 Robust control (12)
    - TJ217.6 Predictive Control (85)
    - TJ219 Pneumatic control systems (22)
    - TJ222 Supervisory control systems. (17)
    - TJ223 PID controllers (227)
    - TJ223.P76 Programmable controllers (36)
    - TJ230 Machine design (346)
    - TJ254.7 Combustion chambers (19)
    - TJ263 Heat exchangers (140)
    - TJ263.5 Boilers (general) (30)
    - TJ265.E23 Thermodynamics. (11)
    - TJ266 Turbines. Turbomachines (General) (49)
    - TJ324.5 Fuel systems (41)
    - TJ357 Pressure regulators (3)
    - TJ541 Flywheels. (2)
    - TJ561 Surface (9)
    - TJ669.B7 Locomotive brakes (6)
    - TJ700 Traction engines, etc. (5)
    - TJ762.E93 Exhaust systems (4)
    - TJ778 Gas turbines (32)
    - TJ785 Internal combustion engines. Spark ignition (57)
    - TJ799 Diesel motor--Electronic control. (119)
    - TJ808 Renewable energy sources. Energy harvesting. (74)
    - TJ810.5 Solar energy (56)
    - TJ820 Wind power (25)
    - TJ828 Wind turbines (108)
    - TJ840.A2+ hydraulic machinery (1)
    - TJ870 Hydraulic turbines. (6)
    - TJ903 Pumping machinery. (41)
    - TJ910 Electric pumping machinery (14)
    - TJ919 Centrifugal pumps--Design and construction. (27)
    - TJ930 Pipelines (General). Underwater pipelines. (30)
    - TJ935 Pipe--Fluid dynamics. Tubes--Fluid dynamics (117)
    - TJ950 Pneumatic machinery (13)
    - TJ990 Compressors (24)
  - TK Electrical engineering. Electronics Nuclear engineering (2898)
    - TK1001 Production of electric energy or power (118)
    - TK1007 Electric power systems control (61)
    - TK1010 Electric power system stability. Electric filters, Passive. (121)
    - TK105.8883 Web authoring software (include web server) (20)
    - TK1056 Solar powerplants (27)
    - TK1073 Ocean thermal energy conversion (9)
    - TK1087 Photovoltaic power generation (104)
    - TK1318 Geothermal Power Plants (33)
    - TK1322.6 Electric power-plants (113)
    - TK1519.S68 Hydroelectric power plants (12)
    - TK153 Electric power factor. (2)
    - TK201 Electric Power Transmission (294)
    - TK2211 Eddy currents (Electric) (1)
    - TK2551 Electric transformers. (12)
    - TK2681.B47 Electric motors, Direct current. (16)
    - TK2681.O85 Electric motors, Brushless. (15)
    - TK2692 Inverters (8)
    - TK2785 Electric motors, Induction. (92)
    - TK2791 D.C. to A.C. transforming machinery. (6)
    - TK2797 Motor-generator sets. Cascade (20)
    - TK2851 Voltage regulators. (9)
    - TK2861 Electric relays (84)
    - TK2921 Lithium cells. (26)
    - TK2931 Fuel cells (19)
    - TK2941 Storage batteries (17)
    - TK2945 Lead-acid batteries. (20)
    - TK2950 Thermoelectric materials. (2)
    - TK2960 Dye-sensitized solar cells. Solar batteries. Solar cells (41)
    - TK3030 Electric power distribution systems (47)
    - TK3070 Automatic control (96)
    - TK3226 Transients (Electricity). Electric power systems. Harmonics (Electric waves). (183)
    - TK3401 Insulation and insulating materials (29)
    - TK351 Electric measurements. (19)
    - TK4035.R4 Refrigeration and refrigerating machinery (24)
    - TK4055 Electric motor (39)
    - TK452 Electric apparatus and materials (12)
    - TK4660 Electric welding. (2)
    - TK5101 Telecommunication (220)
    - TK5102.5 Modulation (Electronics), Demodulation (Electronics) (42)
    - TK5102.9 Signal processing. (99)
    - TK5102.94 Cryptographic techniques (13)
    - TK5103.2 Wireless communication systems. Two way wireless communication (146)
    - TK5103.484 Orthogonal frequency division multiplexing. (1)
    - TK5103.8 Switching systems (2)
    - TK5105 Data Transmission Systems (181)
    - TK5105.543 Routers (Computer networks) (9)
    - TK5105.546 Computer algorithms (259)
    - TK5105.585 TCP/IP (Computer network protocol) (64)
    - TK5105.5956 Quality of service. Reliability Including network performance (35)
    - TK5105.888 Web sites--Design. Web site development. (137)
    - TK5105.88815 Semantic Web (5)
    - TK531 Current and voltage waveforms (7)
    - TK6401+ telephone systems and instruments (5)
    - TK6564 Radio transmitter-receivers (30)
    - TK6564.4.C45 Cell phones (2)
    - TK6565.P3 Panels (2)
    - TK6565.T7 Transformers (15)
    - TK6570_iPhone (Smartphone). RFID. Mobile communication systems. (54)
    - TK6592.O6 Optical radar (7)
    - TK6630 Television (2)
    - TK7 Turbogenerators. Steam-turbines (10)
    - TK7867.5 Noise (3)
    - TK7868.P6 Power supply (13)
    - TK7870.23 Reliability. Failures (35)
    - TK7871.58 Audio amplifiers--Design and construction. (4)
    - TK7871.6 Antennas (Electronics) (65)
    - TK7871.674 Detectors. Sensors (120)
    - TK7872 Electric current converters, Electric inverters. (153)
    - TK7872 Electromagnetic Devices (66)
    - TK7872.C8 Current converters (3)
    - TK7872.F5 Filters (Electric) (3)
    - TK7878 Electronic instruments (58)
    - TK7882.B56 Biometric identification (10)
    - TK7882.P3 Pattern recognition systems (40)
    - TK7888.3 Digital computers (17)
    - TK7895.S65 Speech recognition systems (14)
    - TK9956 Radio. Wireless telephone (11)
  - TL Motor vehicles. Aeronautics. Astronautics (699)
    - TL152.5 Motor vehicles Driving (18)
    - TL152.8 Vehicles, Remotely piloted. Autonomous vehicles. (40)
    - TL175 Parking facilities (24)
    - TL210 Automobiles--Lubrication systems. (5)
    - TL214 Automobiles--Motors--Pistons and piston rings. (12)
    - TL214.T87 Automobiles--Motors--Turbochargers (7)
    - TL220 Electric vehicles and their batteries, etc. (62)
    - TL221.5 Hybrid Vehicles. Hybrid cars (16)
    - TL229.D5 Diesel automobiles (9)
    - TL240.5 Composite materials (51)
    - TL257 Springs and suspension (8)
    - TL257.5 Automobiles--Shock absorbers--Design and construction. (47)
    - TL269.C474 Brakes--Maintenance and repair (7)
    - TL270 Automobiles--Wheels--Alignment. (6)
    - TL275.J6 Automobiles--Maintenance and repair. (8)
    - TL410 Bicycles and bicycling--Design and construction (13)
    - TL440 Motorcycles. (10)
    - TL445.M369 Motorcycles--Electric equipment--Maintenance and repair. (4)
    - TL448 Electric motorcycles (22)
    - TL507.G77 Vortex generators. (2)
    - TL521 Aerodynamics, Hypersonic. (34)
    - TL521.3 Automatic Control (187)
    - TL574.C3 Cascade (3)
    - TL589.2.N3 Navigation computer (6)
    - TL671.6. Materials--Fatigue. (14)
    - TL671.9 Airplanes--Maintenance and Repair (9)
    - TL673.F6 Flaps (Airplane) (1)
    - TL681.A5 Air conditioning (Aeronautics ) (7)
    - TL696.C6 Airplanes--Collision avoidance (1)
    - TL697.P6 Pneumatic equipment (3)
    - TL725 Airport terminals. (2)
    - TL725.3 Traffic Control (23)
    - TL725.3.B8 Airport buildings. (1)
    - TL725.3.P5 Airports--Planning. Airports--Design and construction. (2)
    - TL725.3.R8 Runways (5)
    - TL725.3.T7 Air traffic control (3)
    - TL776 .N67 Quadrotor helicopters--Automatic control (4)
    - TL777 Details and parts of models (Including propellers) (5)
    - TL798.N3 Global Positioning System. (5)
  - TN Mining engineering. Metallurgy (497)
    - TN23 Metal cladding. (8)
    - TN24 Aquifers (2)
    - TN269 Prospecting--Geophysical methods (19)
    - TN271.K2 Kaolin (3)
    - TN295 Fly ash (9)
    - TN408.N56 Sand, Iron (5)
    - TN490 Zircon mines and mining (1)
    - TN677 Blast furnaces. (17)
    - TN687 Electric furnaces. (8)
    - TN688 Hydrometallurgy (13)
    - TN689+ Physical metallurgy (7)
    - TN690 Metallography. Physical metallurgy (74)
    - TN693.M3 Magnesium (6)
    - TN752.I5 Steel--Heat treatment (135)
    - TN775 Aluminum alloys--Metallurgy. (10)
    - TN799.N6 Nickel--Metallurgy (19)
    - TN871.3 Offshore well drilling (15)
    - TN879.5 Petroleum pipelines (35)
    - TN879.6 Welding (49)
    - TN880.5 Natural gas pipelines (24)
  - TP Chemical technology (1047)
    - TP1140 Polymers (104)
    - TP1151 Special molding and casting processes (4)
    - TP1175.S6 Spraying Coating with plastics (4)
    - TP155.5 Chemical plants--Design and construction (83)
    - TP156 Crystallization. Extraction (Chemistry). Fermentation. Distillation. Emulsions. (210)
    - TP156.C64 Controlled release technology (3)
    - TP159.A5 Antioxidants (1)
    - TP159.M4 Membranes (Technology) (6)
    - TP159.M6 Zeolites (14)
    - TP159.S4 Separators (Machine) (14)
    - TP245.C3 Calcium carbonate. (2)
    - TP248 Nanogels. Nanoparticles. (72)
    - TP248.25.M45 Membrane reactors (4)
    - TP248.25.M46 Membrane separation (23)
    - TP248.25.N35 Microencapsulation. (2)
    - TP248.3 Biochemical engineering. Bioprocess engineering (34)
    - TP248.65.C55 Chitosan--Biotechnology. (5)
    - TP255 Electrochemistry, Industrial. (108)
    - TP339 Ethanol as fuel. Biomass energy. (47)
    - TP343 Liquid and gaseous fuel (54)
    - TP350 Natural gas--Drying. (43)
    - TP359 Biogas (73)
    - TP359.B46 Biodiesel fuels. (12)
    - TP370 Food processing and manufacture (46)
    - TP382 Sugar--Analysis. (5)
    - TP451.E3 Edible coatings. (2)
    - TP492.3 Refrigeration and refrigerating machinery (12)
    - TP669 Oils, fats, and waxes (26)
    - TP692.5 Oil and gasoline handling and storage (31)
    - TP761.L5 Liquefied natural gas (1)
    - TP845+ Glass manufacture (1)
    - TP883 Portland cement. (6)
    - TP884.L5 Lightweight concrete (2)
    - TP894 Bleaching, cleaning, scouring (3)
    - TP994 Surface active agents. (3)
  - TR Photography (71)
    - TR260.7 Autofocus cameras (2)
    - TR267.733.M85 Multispectral imaging (9)
    - TR845 Cinematography. Video recordings. (16)
    - TR897.7 Computer animation (32)
  - TS Manufactures (1079)
    - TS155 Production control. Production planning. Production management (121)
    - TS156 Quality Control. QFD. Taguchi methods (Quality control) (271)
    - TS157.5 Production scheduling (28)
    - TS161 Materials management. (1)
    - TS167 Costs, Industrial (134)
    - TS170 New products. Product Development (67)
    - TS171 Product design (176)
    - TS173 Reliability of industrial products (28)
    - TS174 Maintainability (Engineering) . Reliability (Engineering) (58)
    - TS176 Manufacturing engineering. Process engineering (Including manufacturing planning, production planning) (102)
    - TS195 Packaging (8)
    - TS205 Metals--Heat treatment. (14)
    - TS227 Welding. (49)
    - TS2301.T7 Toys, etc (3)
    - TS233 Sand casting. Metal castings--Thermal properties. (10)
    - TS253 Die-Casting (20)
    - TS280 Pipe Bending, Tube Bending (28)
    - TS320 Steel--Metallurgy. (4)
    - TS670 Electroplating (1)
    - TS695 Physical/Chemical vapor deposition (7)
    - TS699 Powder coating of metals (18)
  - TT Handicrafts Arts and crafts (35)
    - TT199.7 Wood-carving. (3)
  - TX Home economics (37)
    - TX349 Nutrition. Foods and food supply (10)
- C Auxiliary Sciences of History (15)
  - C Auxiliary sciences of history (General) (2)
  - CB History of civilization (3)
  - CC Archaeology (8)
  - CE Technical chronology. Calendar (2)
  - CT Biography (1)
- D History General and Old World (28)
  - D History (General) (23)
    - D051 Ancient History (9)
    - D204 Modern History (2)
    - D731 World War II (2)
    - D839 Post-war History, 1945 on (2)
    - D880 Developing Countries (1)
    - D901 Europe (General) (1)
  - DF Greece (1)
  - DJ Netherlands (Holland) (1)
  - DS Asia (3)
  - DU Oceania (South Seas) (1)
- E History America (1)
  - E151 United States (General) (1)
- G Geography. Anthropology. Recreation (970)
  - G Geography (General) (542)
    - G109.5 Global Positioning System (78)
    - G155 Tourism (122)
    - G70.212 ArcGIS. Geographic information systems. (191)
    - G70.217 Geospatial data (143)
    - G70.5.I4 Remote sensing (171)
  - GA Mathematical geography. Cartography (68)
    - GA102.4.R44 Cartography--Remote sensing (3)
    - GA105.3 Cartography. (9)
    - GA139 Digital Elevation Model (computer program) (24)
  - GB Physical geography (113)
    - GB1003.2 Groundwater. (8)
    - GB1197.7 Groundwater flow. Reservoirs (30)
    - GB1399.9 Floods (21)
    - GB600 Karst conservation. (9)
  - GC Oceanography (96)
    - GC1018.5 Ocean zoning. (4)
    - GC89 Sea Level (4)
  - GE Environmental Sciences (129)
  - GF Human ecology. Anthropogeography (11)
  - GN Anthropology (6)
  - GR Folklore (5)
  - GT Manners and customs (4)
  - GV Recreation Leisure (149)
    - GV1469.15 Mobile games. (4)
    - GV1469.2 Computer games (96)
    - GV423 Playgrounds. (3)
    - GV191.66 Outdoor recreation resources planning and management (28)
- H Social Sciences (3474)
  - H Social Sciences (General) (144)
    - H61.4 Forecasting in the social sciences (29)
  - HA Statistics (850)
    - HA29 Theory and method of social science statistics (83)
    - HA30.3 Time-series analysis (85)
    - HA30.6 Spatial analysis (46)
    - HA31.3 Regression. Correlation (169)
    - HA31.35 Analysis of variance (34)
    - HA31.38 Data envelopment analysis. (12)
    - HA31.7 Estimation (56)
  - HB Economic Theory (248)
    - Economic forecasting--Mathematical models. (115)
    - HB615 Entrepreneurship. (6)
    - HB801 Consumer behavior. (65)
    - HB846.2 Cost benefit analysis (31)
  - HC Economic History and Conditions (56)
    - HC108 Market surveys. (36)
  - HD Industries. Land use. Labor (1511)
    - HD108 Classification (Theory. Method. Relation to other subjects ) (45)
    - HD1387 Valuation (2)
    - HD1391 Apartment houses (79)
    - HD1393.25 Business enterprises (30)
    - HD28 Management. Industrial Management (218)
    - HD30.2 Knowledge management. (22)
    - HD30.213 Management information systems. Dashboards. Enterprise resource planning. (105)
    - HD30.23 Decision making. Business requirements analysis. (123)
    - HD30.24 Feasibility studies. Feasibility appraisals (28)
    - HD30.28 Planning. Business planning. Strategic planning. (158)
    - HD30.335 Communication systems (17)
    - HD31 Management--Evaluation (108)
    - HD3656 Inspection. Factory inspection (9)
    - HD38.5 Business logistics--Cost effectiveness. Supply chain management. ERP (122)
    - HD38.7 Business intelligence. Trade secrets (7)
    - HD39.5 Industrial procurement. (24)
    - HD4465 Water utilities--Rates (17)
    - HD45 Technological innovations (15)
    - HD49 Crisis management. Emergency management (8)
    - HD55 Inventory control (81)
    - HD56.25 Industrial efficiency--Measurement. Industrial productivity--Measurement. (67)
    - HD58.7 Corporate culture. (5)
    - HD58.87 Reengineering (Management) Business process (10)
    - HD58.93 Balanced scorecard (14)
    - HD61 Risk Management (221)
    - HD618 Open spaces (26)
    - HD62.15 Total quality management. (3)
    - HD62.5 New business enterprises. Business incubators. (11)
    - HD69.T54 Time management. Scheduling (59)
    - HD6978 Cost and standard of living. (1)
    - HD7255 Vocational rehabilitation. Employment of people with disabilities (2)
    - HD7293 Housing policy (21)
    - HD74 Internet advertising. (6)
    - HD7526 Model communities. Model industrial (7)
    - HD9000 Agricultural industries (8)
    - HD9490.A2 Essences and essential oils industry. (1)
    - HD9581.2.L57+ Liquefied natural gas (1)
    - HD9581.2.L573 Liquefied natural gas shipping terminals--Safety measures. (1)
    - HD9590+ Ceramic (1)
    - HD9622 Cement. Concrete. Cement and concrete additives (15)
    - HD9685.A2 Electric utilities. Electrification (2)
    - HD9696 Temperature control equipment (20)
    - HD9706.2 Measuring instruments (20)
    - HD9980.5 Service industries--Quality control. (18)
    - HD9995.P75-.P754 Prosthesis (1)
    - HD9999.C715-.C7154 Composite materials (13)
    - HD9999.N36+ Nanostructured materials (1)
  - HE Transportation and Communications (343)
    - HE1976 Tickets (4)
    - HE311.I4 Urban transportation (114)
    - HE336.C5 Choice of transportation (25)
    - HE336.R68 Route choice (25)
    - HE355 Traffic engineering (66)
    - HE355.4 Toll roads (13)
    - HE551 Cargo handling. (1)
    - HE5614.3.N5 Traffic accidents (9)
    - HE564.A1 Shipping (43)
    - HE566.F7 Freighters. Cargo ships (15)
    - HE566.S3 Sailing ships (11)
    - HE566.T3 Tankers (6)
    - HE5736 Bicycle transportation (7)
    - HE9787.5 Airplanes--Ground handling (4)
  - HF Commerce (429)
    - HF1916 Tariff (3)
    - HF54.54 Electronic information resources. Digital libraries (5)
    - HF5415.1265 Internet marketing. (36)
    - HF5415.127 Market segmentation. Target marketing (38)
    - HF5415.15 Branding (Marketing) (19)
    - HF5415.155 Product life cycle. (1)
    - HF5415.32 Consumers' preferences (17)
    - HF5415.335 Consumer satisfaction (90)
    - HF5415.5 Customer services. Customer relations (50)
    - HF5415.52 Consumer complaints. Complaint letters (5)
    - HF5415.7 Physical distribution management (8)
    - HF5416.5 Pricing (15)
    - HF5438.35 Data Processing (selling) (6)
    - HF5485 Warehouses--Management (11)
    - HF5548.32 Electronic commerce. (37)
    - HF5548.34 Mobile commerce. (4)
    - HF5549 Job analysis. Personnel management. Employment management (31)
    - HF5549.2 Personel Management (30)
    - HF5549.5 Job evaluation. (6)
    - HF5549.5.J63 Job satisfaction (Personnel management) (12)
    - HF5549.5.P35 Performance standards (56)
    - HF5549.5.P7 Promotions. (2)
    - HF5601 Accounting (5)
    - HF5658.5 Price fluctuations (4)
    - HF5686 Fuel (10)
    - HF5686.C1175 Cemeteries (1)
    - HF5686.C8 Activity-based costing (3)
    - HF5843 Outdoor advertising. Billboards. Posters (7)
    - HF6161.F616 Food. Food service (4)
  - HG Finance (162)
    - HG3881 Foreign exchange. (5)
    - HG4012 Mathematical models (20)
    - HG4028.V3 Valuation. Economic value (16)
    - HG4529 Investment analysis (48)
    - HG4529.5 Portfolio management (10)
    - HG4910 Investments (21)
    - HG8771 Life insurance (5)
  - HJ Public Finance (25)
  - HM Sociology (31)
    - HM141 Leadership (2)
    - HM742 Online social networks. (19)
  - HN Social history and conditions. Social problems. Social reform (95)
    - HN690.5 Slums (19)
  - HQ The family. Marriage. Woman (19)
    - HQ2042 life style (5)
  - HS Societies secret benevolent etc (1)
  - HT Communities. Classes. Races (229)
    - HT133 City and Towns. Land use,urban (140)
    - HT166 City Planning--Environmental aspects (110)
    - HT390+ Coastal zone management (4)
  - HV Social pathology. Social and public welfare (30)
    - HV1597.2 Deafblind people--Education. (1)
    - HV1669 Braille (4)
    - HV551.5.I4 Hazard mitigation (4)
    - HV6074.F66 Fingerprints. (1)
    - HV6691 Fraud--Prevention (2)
    - HV8079.C65 Computer crimes (2)
- J Political Science (15)
  - JA Political science (General) (1)
  - JF Political institutions (General) (2)
    - JF1351.H6 Public administration. (2)
  - JS Local government Municipal government (13)
- K Law (18)
  - K Law (General) (14)
  - KZ Law of Nations (5)
- L Education (294)
  - L Education (General) (138)
  - LA History of education (9)
  - LB Theory and practice of education (156)
    - LB1029.S53 Educational games. Simulation methods (75)
    - LB1044.87 Internet in education (e-learning). Virtual reality in education. (44)
    - LB1501 Primary Education (10)
    - LB1603 Secondary Education. High schools (12)
    - LB2300 Higher Education (12)
    - LB2361 Curriculum (3)
    - LB2965.T28 Education--Taiwan (1)
  - LC Special aspects of education (11)
    - LC156 Literacy (1)
    - LC5201 Education extension. Adult education. Continuing education (4)
  - LG Individual institutions (Asia. Africa) (3)
  - LT Textbooks (3)
- M Music and Books on Music (20)
  - M Music (17)
  - ML Literature of music (3)
  - MT Musical instruction and study (2)
- N Fine Arts (1306)
  - N Visual arts (General) For photography, see TR (69)
  - NA Architecture (891)
    - NA1507.K45 Building, Wooden. (11)
    - NA2542.36 Sustainable architecture (59)
    - NA2750 Architectural design. (110)
    - NA2941 Facades (21)
    - NA4670 Mosques (7)
    - NA6300 Airport terminals. (1)
    - NA6310 Railroad stations. (3)
    - NA6320 Bus terminals (9)
    - NA6600 Education buildings (97)
    - NA6602.D6 Dormitories (17)
    - NA6695 Art museums and galleries (14)
    - NA7115 Domestic architecture. Houses. Dwellings (153)
    - NA7820 Hotels. Inns. Hotel lobbies For resorts (19)
    - NA7860 Apartment houses. (6)
    - NA9051 Residential areas. Site planning (41)
    - NA9053 City planning (176)
    - NA9074 Pedestrian areas (11)
  - NB Sculpture (7)
  - NC Drawing Design Illustration (175)
  - ND Painting (9)
  - NE Print media (36)
  - NK Decorative arts Applied arts Decoration and ornament (307)
    - NK2115 Interior decoration (239)
    - NK2115.5.F77 Furniture (36)
    - NK2195.V34 Vacation homes. Resort houses. Summerhouses (6)
  - NX Arts in general (64)
    - NX456.5.P38 Performance art. (2)
- P Language and Literature (32)
  - P Philology. Linguistics (1)
    - P325 Semantics. (1)
  - PL Languages and literatures of Eastern Asia, Africa, Oceania (1)
  - PN Literature (General) (30)
    - PN1992.94 Video recordings--Production and direction. (14)
    - PN1993 Motion Pictures (11)
    - PN1995.9 Documentary films--Production and direction (7)
  - PZ Childrens literature (1)
- Q Science (5870)
  - Q Science (General) (492)
    - Q180.55.M38 Mathematical models (119)
    - Q325 GMDH algorithms. (12)
    - Q325.5 Machine learning. (106)
    - Q325.78 Back propagation (22)
    - Q337.3 Swarm intelligence (16)
    - Q337.5 Pattern recognition systems (28)
    - Q370 Entropy (Information theory) (7)
  - QA Mathematics (3337)
    - QA336 Artificial Intelligence (102)
    - QA141 Numeracy--Problems, exercises, etc. (1)
    - QA159 Algebra (16)
    - QA166 Graph theory (26)
    - QA184 Algebra, Linear (60)
    - QA246.8 Gaussian (5)
    - QA248_Fuzzy Sets (59)
    - QA269 Game theory (22)
    - QA273.5 Stochastic geometry (2)
    - QA273.6 Weibull distribution. Logistic distribution. (7)
    - QA274.2 Stochastic analysis (18)
    - QA274.7 Markov processes--Mathematical models. (24)
    - QA274.8 Queuing theory (1)
    - QA275 Theory of errors. Least squares. Including statistical inference (19)
    - QA276 Mathematical statistics. Time-series analysis. Failure time data analysis. Survival analysis (Biometry) (110)
    - QA278 Cluster Analysis. Multivariate analysis. Correspondence analysis (Statistics) (174)
    - QA278.2 Regression Analysis. Logistic regression (498)
    - QA278.3 Structural equation modeling. (72)
    - QA278.5 Principal components analysis. Factor analysis. Correspondence analysis (Statistics) (109)
    - QA278.55 Cluster analysis (88)
    - QA279 Response surfaces (Statistics). Analysis of covariance. (4)
    - QA279.5 Bayesian statistical decision theory. (45)
    - QA280 Box-Jenkins forecasting (57)
    - QA322.2 Normed linear spaces. Banach spaces (3)
    - QA329.6 Hankel operators. (1)
    - QA353.K47 Kernel functions (analysis) (11)
    - QA371 Differential equations--Numerical solutions (17)
    - QA372.B9 Differential equations--Numerical solutions. Runge-Kutta formulas--Data processing. (11)
    - QA380 Bifurcation theory (1)
    - QA39.3 Fuzzy mathematics (10)
    - QA402 System analysis. (44)
    - QA402.3 Kalman filtering. (38)
    - QA402.5 Genetic algorithms. (55)
    - QA402.6 Transportation problems (Programming) (12)
    - QA403.3 Wavelets (Mathematics) (14)
    - QA404 Fourier series (14)
    - QA611.28 Metric spaces (11)
    - QA614.58 Catastrophes (3)
    - QA614.8 Differentiable dynamical systems (11)
    - QA640.7 Discrete geometry (5)
    - QA75 Electronic computers. Computer science. EDP (274)
    - QA76 Computer software (390)
      - QA76.8 Microprocessor (41)
    - QA76.585 Cloud computing. Mobile computing. (44)
    - QA76.5915 Ubiquitous computing. (2)
    - QA76.6 Computer programming. (166)
    - QA76.625 Internet programming. (15)
    - QA76.754 Software architecture. Computer software (57)
    - QA76.758 Software engineering (139)
    - QA76.76.A63 Application program interfaces (33)
    - QA76.76.A65 Application software. Enterprise application integration (Computer systems) (93)
    - QA76.76.E95 Expert systems (3)
    - QA76.76.P37 Software patterns. (4)
    - QA76.76.P74 Software productivity--Measurement. Function point analysis. (2)
    - QA76.76.S64 Software maintenance. (5)
    - QA76.774.A53 Android (48)
    - QA76.87 Neural networks (Computer Science) (346)
    - QA76.9 Computer algorithms. Virtual Reality. Computer simulation. (154)
    - QA76.9.A25 Computer security. Digital forensic. Data encryption (Computer science) (31)
    - QA76.9.C55 Client/server computing (7)
    - QA76.9.D33 Data compression (Computer science) (11)
    - QA76.9.D343 Data mining. Querying (Computer science) (138)
    - QA76.9.D37 Data warehousing. (1)
    - QA76.9.E77 Error messages (1)
    - QA76.9.F38 Fault-tolerant computing (4)
    - QA76.9.I52 Information visualization (10)
    - QA76.9.I58 Recommender systems (Information filtering) (4)
    - QA76.9.U83 Graphical user interfaces. User interfaces (Computer systems)--Design. (21)
    - QA76.9D338 Data integration (11)
    - QA76.F56 Data structures (Computer science) (4)
    - QA9.58 Algorithms (86)
    - QA9.64 Fuzzy logic (137)
    - QA911 Fluid dynamics. Hydrodynamics (36)
    - QA935 Vibration (21)
  - QB Astronomy (17)
    - QB336 Gravity anomalies (10)
    - QB415.2 Tides. (2)
  - QC Physics (926)
    - QC 611.97.T46 Temperature effects. Including transition temperature (23)
    - QC1 Dielectrics (4)
    - QC100 Crystals. (7)
    - QC100.5 Measuring instruments (General) (55)
    - QC107 .A67 Quartz crystal microbalances. (2)
    - QC111 Density and specific gravity (19)
    - QC151 Fluid dynamics (42)
    - QC162 Adsorption and absorption (27)
    - QC173.4.C63 Composite materials (62)
    - QC174.17.M33 Markov processes (1)
    - QC174.17.Q38 Quantum teleportation (5)
    - QC20.7.F67 Fourier transformations (11)
    - QC221 Acoustics. Sound (49)
    - QC271 Temperature measurements (106)
    - QC271.8.C3 Calibration (15)
    - QC320 Heat transfer (77)
    - QC389 Light--Transmission--Mathematical models. (1)
    - QC411 Interferometry. (2)
    - QC446.3.H37 Harmonics (Electric waves) (8)
    - QC448 Fiber optics. (32)
    - QC451 Spectroscopy (8)
    - QC457 Infrared technology. (9)
    - QC475 Photoluminescence (10)
    - QC585 Dielectrics (5)
    - QC585.75.S55 Silica (14)
    - QC610.3 Electric conductivity (44)
    - QC611.97.C54 Superconductors (1)
    - QC631.D29 Electrodynamics. (2)
    - QC718 Magnetohydrodynamics. (4)
    - QC765 Magnetic materials (16)
    - QC766.F3 Ferrites (2)
    - QC793.5.N42 Neutrinos. (1)
    - QC795.5 Radioactivity and radioactive Instruments and apparatus (General) (3)
    - QC851 Coordinates--Measurement. (3)
    - QC866.5 Climatology--Forecasting. (7)
    - QC871 Meteorology--Observations. (8)
    - QC881.2.I6 ionosphere (1)
    - QC925 Rain and rainfall (5)
    - QC973.4.T76 Tropospheric radio waves Including absorption, propagation, etc. (1)
  - QD Chemistry (743)
    - QD75.2 Chemistry, Analytic (77)
    - Polymerization (34)
    - QD281 Pyrolysis (9)
    - QD115 Electrochemical analysis (17)
    - QD117 Absorption (29)
    - QD117.S64 Spectrophotometry (26)
    - QD181.S6 A4 Aluminum silicates (13)
    - QD181.Z6 Zinc oxide (6)
    - QD251.2 Chemistry, Organic. Biochemistry (95)
    - QD305.A2 O73 Esterification (8)
    - QD320 Cellulose. Hydrolysis (39)
    - QD341 Coumarins (2)
    - QD341.H9 Graphene (5)
    - QD341.P5 Phenols. (1)
    - QD383 Epoxy Compounds (3)
    - QD416 Essences and essential oils. (4)
    - QD471 Chemical compounds - Structure and formulas (51)
    - QD501 Catalysis. Catalysts. (80)
    - QD502 Chemical kinetics (45)
    - QD547 Flocculation, precipitation, adsorption, etc. (32)
    - QD553 Electrochemistry. Electrolysis (25)
    - QD569 Electrocatalysis. (1)
    - QD63 Extraction (54)
    - QD63.O9 Electrolytic oxidation. (2)
    - QD63.S4 Separation (Technology) (20)
    - QD716 Photocatalysis. (23)
    - QD79.T38 Thermal analysis (3)
    - QD905.2 Crystals. (3)
    - QD96F56 Fluorescence spectroscopy (9)
  - QE Geology (284)
    - QE391.Z7 Zircon (3)
    - QE471 Sedimentary rocks. Sedimentology (23)
    - QE538.5 Seismic waves. Elastic waves (46)
    - QE538.8 Earthquakes. Seismology (36)
    - QE539.2 Seismic traveltime inversion (11)
    - QE539.2.S4 Seismic models (33)
    - QE571 Sedimentation and deposition. Sediment transport. Erosion. (70)
    - QE599 Landslides. Rockslides (7)
    - QE601 Geology, Structural (100)
    - QE604 Deformation (11)
  - QH Biology (179)
    - QH301 Biology (102)
    - QH426 Genetics (6)
    - QH541 Ecology (28)
    - QH541.15.T68 Toxicity testing (10)
    - QH541.5.S35 Seashore. Tidal pools (1)
    - QH601 Cell membranes (1)
    - QH75 Nature conservation. Landscape protection. Biodiversity conservation. Endangered species and ecosystems (General). Habitat conservation. Ecosystem management. Conservation biology (31)
    - QH91.8.S64 Species diversity (9)
  - QK Botany (84)
    - QK495.A14 Seagrasses. (2)
    - QK568 Microalgae (16)
    - QK710 Plant physiology (20)
    - QK754.7.D75 Droughts. Drought tolerance (2)
    - QK870 Plant-water relationships (2)
    - QK898.L56 Lipids (1)
    - QK899 Xanthone (6)
    - QK938.M27 Mangrove forests and swamps (8)
  - QL Zoology (24)
    - QL435.A3 Crustacea (2)
    - QL639.1 Fishes--Growth. (2)
  - QM Human anatomy (9)
    - QM101 Skeleton. Osteology (1)
  - QP Physiology (64)
    - Q376.5 Electroencephalography (EEG) (9)
    - QP310.W3 Gait in humans. (1)
    - QP34.5 Human engineering (18)
    - QP517.B5 Biodegradation. (4)
    - QP519.9.E434 Electrophoresis. (5)
    - QP609.P78 Proteolytic enzymes. (5)
    - QP624 Molecular biology. (12)
    - QP801.B69 Biopolymers (2)
    - QP801.P64 Polymers--Biodegradation (2)
    - QP82.2.H8 humidity (4)
  - QR Microbiology (94)
    - QR 201.T84 Tumors. Cancer (17)
    - QR187.4 Phagocytosis (2)
    - QR355 Virology (1)
    - QR74.8 Bacteria (32)
    - QR96.8 Adhesion (1)
- R Medicine (355)
  - R Medicine (General) (112)
    - R727.3 Patient satisfaction. (3)
    - R853.S7 Survival analysis (Biometry) (7)
    - R858 Deep Learning (39)
  - RA Public aspects of medicine (92)
    - RA0421 Public health. Hygiene. Preventive Medicine (39)
    - RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine (2)
    - RA567 Medical waste. (7)
    - RA644.C67 COVID-19 (Disease) (25)
    - RA960+ Hospitals (8)
    - RA971 Health services administration. (4)
  - RB Pathology (16)
  - RC Internal medicine (54)
    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (11)
    - RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry (5)
    - RC1200 Sports Medicine (3)
    - RC137 Dengue (8)
    - RC346 Nervous system--Diseases--Prognosis. (3)
    - RC386.5 Electroencephalography. (6)
    - RC683.5.E5 Electrocardiography (4)
    - RC771 Pneumonia. (4)
    - RC78 Diagnosis, Radioscopic--Examinations, questions, etc. (1)
    - RC78.7.N83 Magnetic resonance imaging. (2)
    - RC901.7.H45 Hemodialysis. (2)
  - RD Surgery (21)
    - RD130 Artificial organs; Prosthesis (10)
  - RE Ophthalmology (4)
    - RE48 Eye--Diseases. Ophthalmoscopy. (2)
  - RG Gynecology and obstetrics (4)
  - RJ Pediatrics (12)
    - RJ101 Child Health. Child health services (10)
  - RK Dentistry (7)
  - RL Dermatology (7)
  - RM Therapeutics. Pharmacology (30)
    - RM871 Electric stimulation. (3)
    - RM950 Rehabilitation technology. (10)
  - RS Pharmacy and materia medica (9)
  - RT Nursing (3)
    - RT89 Nursing services--Administration. (2)
  - RV Botanic, Thomsonian, and eclectic medicine (2)
  - RZ Other systems of medicine (35)
- S Agriculture (229)
  - S Agriculture (General) (122)
    - S494.5.D58 Diversification (5)
    - S593.2 Soil Structure (13)
    - S600.7.P53 Planting time (5)
    - S600.7.R35 Rain and rainfall (9)
    - S602.87 Shifting cultivation (1)
    - S633.5 Fertilizers (15)
    - S654.5 Biofertilizers (1)
  - SB Plant culture (23)
    - SB409.58 Plant propagation. Including in vitro propagation (2)
    - SB951.145.N37 Natural pesticides (2)
  - SD Forestry (16)
    - SD387.F52 Fire management (9)
  - SF Animal culture (6)
  - SH Aquaculture. Fisheries. Angling (70)
    - SH157.85 Artificial reefs. (6)
    - SH177.W64 Wood pulp industry (4)
    - SH337.5 Fishing ports--Design and construction (22)
- U Military Science (88)
  - U Military Science (General) (67)
    - UG Military Engineering (30)
      - UG1242.D7 Unmanned aerial vehicles. Drone aircraft (24)
  - UG1242 Drone aircraft--Control systems. (unmanned vehicle) (29)
- V Naval Science (1793)
  - V Naval Science (General) (270)
    - V220 Naval ports, bases, reservations, docks, etc. (43)
  - VC Naval Maintenance (113)
    - VC 270-279 Equipment of vessels, supplier,allowances,etc (69)
  - VK (57)
    - VK1258 Ships--Fires and fire prevention (6)
    - VK200 Merchant marine--Safety measures (11)
    - VK358 Marine terminals (10)
    - VK361 Mooring of ships. Dry docks (16)
    - VK388 Sonar (3)
  - VM Naval architecture. Shipbuilding. Marine engineering (1520)
    - Marine gas-turbines (8)
    - VM 464 Towboats. Tugboats (26)
    - VM1 Ballast (Ships) (20)
    - VM156 Naval architecture (50)
    - VM161 Ships--Hydrodynamics (73)
    - VM163 Hulls (Naval architecture) (104)
    - VM276.A1 Fuel (Including supplies, costs, etc.) (59)
    - VM293 Shipping--Indonesia--Safety measures (205)
    - VM297 Ships Designs and drawings (134)
    - VM298.5 Shipbuilding industri. Shipyards (95)
    - VM311 Catamarans. (39)
    - VM362 Hydrofoil boats. (19)
    - VM365 Remote submersibles. Autonomous vehicles. (25)
    - VM381 Passenger ships (32)
    - VM485 Cold storage on ships. Marine refrigeration. (31)
    - VM731 Marine Engines (201)
    - VM740 Marine turbines (13)
    - VM751 Resistance and propulsion of ships (53)
    - VM753 Propellers (34)
    - VM761 Stability of ships (38)
    - VM773 Ship propulsion, Electric (115)
  - VM431 Fishing boats (63)
- Z Bibliography. Library Science. Information Resources (246)
  - Z004 Books. Writing. Paleography (6)
  - Z116.A3 Book design. (16)
  - Z278 Books (8)
  - Z665 Library Science. Information Science (36)
  - Z666.7 Metadata. (1)
  - Z669.8 Bibliometrics (2)
  - Z674.75.W67 Webometrics. (1)
  - Z719 Libraries (General) (5)
  - ZA Information resources (184)
    - Z699.5 Information storage and retrieval systems (60)
    - ZA4050 Electronic information resources (62)
    - ZA4450 Databases (64)