Home
About
Browse
Browse by Year
Browse by Subject
Browse by Division
Browse by Author
Login
Browse by Subject
Please select a value to browse from the list below.
Library of Congress Subject Areas
(26316)
A General Works
(79)
AC Collections. Series. Collected works
(19)
AI Indexes (General)
(16)
AM Museums (General). Collectors and collecting (General)
(23)
AS Academies and learned societies (General)
(24)
AZ History of Scholarship The Humanities
(3)
B Philosophy. Psychology. Religion
(65)
B Philosophy (General)
(8)
BC Logic
(1)
BF Psychology
(40)
BH Aesthetics
(6)
BJ Ethics
(4)
BL Religion
(2)
BP Islam. Bahaism. Theosophy, etc
(10)
BV Practical Theology
(3)
BV1460 Religious Education
(3)
T Technology
(16096)
T Technology (General)
(3465)
T11 Technical writing. Scientific Writing
(20)
T174 Technological forecasting
(116)
T174.5 Technology--Risk assessment.
(172)
T201 Patents. Trademarks
(11)
T385 Visualization--Technique
(44)
T55 Industrial Safety
(208)
T56.8 Project Management
(469)
T57.5 Data Processing
(377)
T57.6 Operations research--Mathematics. Goal programming
(75)
T57.62 Simulation
(310)
T57.74 Linear programming
(27)
T57.8 Nonlinear programming. Support vector machine. Wavelets. Hidden Markov models.
(52)
T57.83 Dynamic programming
(40)
T57.84 Heuristic algorithms.
(45)
T58.5 Information technology. IT--Auditing
(228)
T58.6 Management information systems
(447)
T58.62 Decision support systems
(351)
T58.8 Productivity. Efficiency
(152)
TA404 Materials--Biodegradation
(14)
TA Engineering (General). Civil engineering (General)
(2971)
TA1800 Fiber Optics
(17)
TA357.5.S57 Sloshing
(2)
TA1573 Detectors. Sensors
(39)
TA158.7 Computer network resources
(23)
TA1637 Image processing--Digital techniques
(353)
TA1650 Face recognition. Optical pattern recognition.
(24)
TA167.5 Neurotechnology. Neuroadaptive systems
(6)
TA169 Reliability (Engineering)
(66)
TA169.5 Failure analysis
(49)
TA174 Computer-aided design.
(51)
TA1815 Optical fiber detectors. Bragg gratings.
(2)
TA347 Finite Element Method
(243)
TA355 Vibration.
(29)
TA357 Computational fluid dynamics. Fluid Mechanics
(83)
TA417.3 Magnetic testing.
(1)
TA418.16 Materials--Testing.
(27)
TA418.38 Materials--Fatigue.
(40)
TA418.42 Hardness properties and tests. Hardness--Testing.
(18)
TA418.74 Corrosion and anti-corrosives
(164)
TA418.75 Corrosion-resistant materials
(23)
TA418.9 Composite materials. Laminated materials.
(225)
TA418.9.C57 Coatings
(12)
TA439 Lightweight concrete. High strength concrete.
(8)
TA440 Concrete--Cracking.
(59)
TA441 Aggregates
(32)
TA443.A7 Asphalt
(36)
TA444 Reinforced concrete
(61)
TA455 Carbon. Nanotubes.
(22)
TA455.A34 Adhesives
(7)
TA455.G65 Graphene
(1)
TA455.S6 Soil (Materials of engineering and construction)
(87)
TA460 Metals--Fatigue.
(13)
TA462 Metal Corrosion and protection against corrosion
(21)
TA467 Iron and Steel Corrosion and protection against corrosion
(20)
TA480.A6 Aluminum alloys.
(2)
TA491 Metal coating.
(33)
TA492.G5 Girders
(12)
TA492.W4 Welded joints
(24)
TA590 Topographical surveying
(17)
TA593.35 Instruments, cameras, etc.
(16)
TA645 Structural analysis (Engineering)
(480)
TA656.2 Buckling
(11)
TA658 Structural design
(162)
TA660.C6 Columns
(21)
TA660.F7 Structural frames.
(20)
TA660.P55 Underground pipeline design, construction and management
(21)
TA660.T34 Tanks. Pressure vessels
(10)
TA681 Concrete construction
(246)
TA683 Precast concrete construction. Prestressed concrete construction.
(149)
TA749 Soil stabilization
(147)
TA760+ Retaining walls
(30)
TA775 Foundations.
(78)
TA780 Piles and pile-driving
(29)
TA780.C29 Piling (Civil engineering)
(18)
TC Hydraulic engineering. Ocean engineering
(1068)
TC147 Ocean wave power.
(103)
TC1665 Offshore structures--Materials.
(54)
TC167 Dams, reservoirs
(60)
TC1680 Offshore structures
(354)
TC173 Orifices. Nozzles. Jets
(2)
TC175.2 Sediment transport
(29)
TC203.5 Coastal engineering
(46)
TC205 Harbors--Design and construction.
(68)
TC333 Breakwaters
(21)
TC343+ Reclamation of land from the sea
(2)
TC357 Harbor Engineering. Piers, quays, and wharves
(65)
TC363 Floating harbors. Including floating docks, piers, etc
(13)
TC424 Water levels
(40)
TC530 Flood control
(28)
TC555 Spillways. Energy dissipation. Hydraulic jump.
(27)
TC801 Reclamation of land
(5)
TC812 Irrigation
(72)
TD Environmental technology. Sanitary engineering
(1180)
TD171.75 Climate change mitigation
(34)
TD192.5 Bioremediation
(30)
TD194.6 Environmental impact analysis
(58)
TD195.B56 Biomass energy
(36)
TD195.S47 Sewage disposal plants--Environmental aspects
(5)
TD233 Water consumption
(31)
TD259.2 Drinking water. Water quality
(74)
TD375 Turbidity--Measurement.
(15)
TD395 Reservoirs (water supply)
(37)
TD418 Water harvesting
(14)
TD420 Water pollution
(65)
TD427.F58 Fly ash
(6)
TD427.P62 Microplastics--Environmental aspects.
(2)
TD430 Water--Purification.
(58)
TD433 Water treatment plants
(79)
TD455 Chemical precipitation. Coagulation. Flocculation. Water--Purification--Flocculation.
(25)
TD479.3 Saline water conversion
(10)
TD480.5 Electrodialysis
(5)
TD481 Water distribution systems
(57)
TD491 Spillways
(12)
TD646 Sewage--Purification
(166)
TD756.45 Anaerobic treatment
(11)
TD767.7 Sewage sludge treatment and disposal
(49)
TD789 Refuse and refuse disposal
(80)
TD795.7 Sanitary landfills. Leachate--Purification.
(12)
TD796 Incineration. Incinerators
(7)
TD796.5 Composting
(6)
TD799.85 Electronic apparatus and appliances waste
(4)
TD878.47 Soil remediation
(19)
TD883 Air quality management.
(14)
TD883.2 Automobiles--Motors--Exhaust gas
(6)
TD883.5 Air--Pollution
(151)
TD886.5 Motor vehicles--Motors--Exhaust gas--Environmental aspects.
(1)
TD887.B58 Air pollutants. Bituminous materials
(8)
TD890 Global Environmental Monitoring System
(22)
TD892 Noise control
(32)
TD898.8.C67 Waste disposal
(37)
TD899 Waste control in special industries, plants, processes, etc
(24)
TD899.S68 Steam power plants
(21)
TE Highway engineering. Roads and pavements
(722)
TE175 Road and highway design
(124)
TE215 Drainage
(59)
TE228.3 Intelligent transportation systems.
(14)
TE228.37 Vehicular ad hoc networks (Computer networks)
(15)
TE251.T74 Pavements--Design and construction
(14)
TE278.D523 Pavements, Concrete--Testing.
(3)
TE7 TG300 Bridges--Design and construction.
(27)
TE7 Transportation--Planning
(367)
TE7.H5 Airports--Planning. Airport terminals--Planning
(36)
TF Railroad engineering and operation
(142)
TF1327.O58 High speed ground transportation (train)
(16)
TF193 Estimates, costs, etc.
(38)
TF240 Railway construction
(10)
TF270 Railway structures and buildings
(27)
TF4 Railroads--Automation.
(3)
TF652 Station management
(6)
TF872 Rails (Track)
(8)
TG Bridge engineering
(143)
TG362 Box girder bridges--Design and construction.
(18)
TH Building construction
(781)
TH1095 Earthquakes and building
(70)
TH11 Builders' and contractors' bulletins. Including prices, permits, etc.
(10)
TH1461 Concrete construction.
(60)
TH2247 Shear walls--Materials
(5)
TH2486 Skylights and ventilators
(5)
TH2521 Floors and flooring
(4)
TH3000 Basements--Remodeling.
(12)
TH3351 Maintenance and repair
(34)
TH385 Building layout.
(23)
TH437 Building--Cost control.
(140)
TH438 Construction industry--Management. Project management.
(180)
TH438.13 Building information modeling.
(15)
TH4811 House construction
(10)
TH4860 Ecological houses--Design and construction.
(3)
TH6515 Plumbing.
(4)
TH6840 Piping installation. Pipefitting
(14)
TH6882 Flame monitors Ignition devices Including electric ignitors
(2)
TH7687.7 Cooling Systems and details
(11)
TH7703 Illumination. Lighting
(11)
TH880 Sustainable buildings. Sustainable construction. Green building
(38)
TH900+ Construction equipment in building construction
(14)
TH9737 Electronic security systems
(4)
TH9745.D85 Dwellings
(6)
TJ Mechanical engineering and machinery
(2689)
TJ1058 Rotors
(14)
TJ1077 Lubrication and lubricants.
(12)
TJ1185 Metal-cutting--Problems, exercises, etc.
(7)
TJ1186 Metal-cutting tools.
(17)
TJ1186.B5 Metal-cutting tools--Design and construction.
(12)
TJ1225 Milling machines numerically controlled
(7)
TJ1230 Cutting and sawing machinery
(24)
TJ1363 Cranes, derricks, etc.
(11)
TJ1398 Conveyors
(37)
TJ164 Power plants--Design and construction
(193)
TJ165 Energy storage.
(35)
TJ174 Maintenance and repair of machinery
(84)
TJ211 Robotics.
(80)
TJ211.4 Robot motion
(20)
TJ211.415 Mobile robots
(36)
TJ213 Automatic control.
(159)
TJ217 Adaptive control systems
(14)
TJ217.2 Robust control
(13)
TJ217.6 Predictive Control
(90)
TJ219 Pneumatic control systems
(24)
TJ222 Supervisory control systems.
(18)
TJ223 PID controllers
(239)
TJ223.P76 Programmable controllers
(41)
TJ230 Machine design
(390)
TJ254.7 Combustion chambers
(21)
TJ263 Heat exchangers
(152)
TJ263.5 Boilers (general)
(36)
TJ265.E23 Thermodynamics.
(15)
TJ266 Turbines. Turbomachines (General)
(56)
TJ324.5 Fuel systems
(52)
TJ357 Pressure regulators
(3)
TJ541 Flywheels.
(4)
TJ561 Surface
(10)
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
(72)
TJ799 Diesel motor--Electronic control.
(132)
TJ808 Renewable energy sources. Energy harvesting.
(94)
TJ810.5 Solar energy
(62)
TJ820 Wind power
(33)
TJ828 Wind turbines
(124)
TJ840.A2+ hydraulic machinery
(2)
TJ870 Hydraulic turbines.
(6)
TJ903 Pumping machinery.
(46)
TJ910 Electric pumping machinery
(14)
TJ919 Centrifugal pumps--Design and construction.
(29)
TJ930 Pipelines (General). Underwater pipelines.
(33)
TJ935 Pipe--Fluid dynamics. Tubes--Fluid dynamics
(125)
TJ950 Pneumatic machinery
(16)
TJ990 Compressors
(27)
TK Electrical engineering. Electronics Nuclear engineering
(3047)
TK1001 Production of electric energy or power
(125)
TK1007 Electric power systems control
(65)
TK1010 Electric power system stability. Electric filters, Passive.
(128)
TK105.8883 Web authoring software (include web server)
(21)
TK1056 Solar powerplants
(28)
TK1073 Ocean thermal energy conversion
(10)
TK1087 Photovoltaic power generation
(111)
TK1318 Geothermal Power Plants
(34)
TK1322.6 Electric power-plants
(117)
TK1519.S68 Hydroelectric power plants
(20)
TK153 Electric power factor.
(2)
TK201 Electric Power Transmission
(299)
TK2211 Eddy currents (Electric)
(1)
TK2551 Electric transformers.
(15)
TK2681.B47 Electric motors, Direct current.
(18)
TK2681.O85 Electric motors, Brushless.
(18)
TK2692 Inverters
(9)
TK2785 Electric motors, Induction.
(95)
TK2791 D.C. to A.C. transforming machinery.
(6)
TK2797 Motor-generator sets. Cascade
(23)
TK2851 Voltage regulators.
(9)
TK2861 Electric relays
(87)
TK2921 Lithium cells.
(29)
TK2931 Fuel cells
(20)
TK2941 Storage batteries
(21)
TK2945 Lead-acid batteries.
(21)
TK2950 Thermoelectric materials.
(2)
TK2960 Dye-sensitized solar cells. Solar batteries. Solar cells
(44)
TK3030 Electric power distribution systems
(52)
TK3070 Automatic control
(96)
TK3226 Transients (Electricity). Electric power systems. Harmonics (Electric waves).
(190)
TK3401 Insulation and insulating materials
(30)
TK351 Electric measurements.
(21)
TK4035.R4 Refrigeration and refrigerating machinery
(24)
TK4055 Electric motor
(42)
TK452 Electric apparatus and materials
(13)
TK4660 Electric welding.
(2)
TK5101 Telecommunication
(233)
TK5102.5 Modulation (Electronics), Demodulation (Electronics)
(45)
TK5102.9 Signal processing.
(110)
TK5102.94 Cryptographic techniques
(13)
TK5103.2 Wireless communication systems. Two way wireless communication
(156)
TK5103.484 Orthogonal frequency division multiplexing.
(1)
TK5103.8 Switching systems
(4)
TK5105 Data Transmission Systems
(181)
TK5105.543 Routers (Computer networks)
(12)
TK5105.546 Computer algorithms
(264)
TK5105.585 TCP/IP (Computer network protocol)
(69)
TK5105.5956 Quality of service. Reliability Including network performance
(36)
TK5105.888 Web sites--Design. Web site development.
(155)
TK5105.88815 Semantic Web
(5)
TK531 Current and voltage waveforms
(7)
TK6401+ telephone systems and instruments
(6)
TK6564 Radio transmitter-receivers
(34)
TK6564.4.C45 Cell phones
(2)
TK6565.P3 Panels
(2)
TK6565.T7 Transformers
(15)
TK6570_iPhone (Smartphone). RFID. Mobile communication systems.
(57)
TK6592.O6 Optical radar
(8)
TK6630 Television
(2)
TK7 Turbogenerators. Steam-turbines
(12)
TK7867.5 Noise
(5)
TK7868.P6 Power supply
(13)
TK7870.23 Reliability. Failures
(36)
TK7871.58 Audio amplifiers--Design and construction.
(4)
TK7871.6 Antennas (Electronics)
(67)
TK7871.674 Detectors. Sensors
(132)
TK7872 Electric current converters, Electric inverters.
(155)
TK7872 Electromagnetic Devices
(68)
TK7872.C8 Current converters
(4)
TK7872.F5 Filters (Electric)
(6)
TK7878 Electronic instruments
(68)
TK7882.B56 Biometric identification
(10)
TK7882.P3 Pattern recognition systems
(41)
TK7888.3 Digital computers
(20)
TK7895.S65 Speech recognition systems
(15)
TK9956 Radio. Wireless telephone
(11)
TL Motor vehicles. Aeronautics. Astronautics
(780)
TL152.5 Motor vehicles Driving
(24)
TL152.8 Vehicles, Remotely piloted. Autonomous vehicles.
(45)
TL175 Parking facilities
(25)
TL210 Automobiles--Lubrication systems.
(6)
TL214 Automobiles--Motors--Pistons and piston rings.
(13)
TL214.T87 Automobiles--Motors--Turbochargers
(8)
TL220 Electric vehicles and their batteries, etc.
(75)
TL221.5 Hybrid Vehicles. Hybrid cars
(21)
TL229.D5 Diesel automobiles
(9)
TL240.5 Composite materials
(58)
TL257 Springs and suspension
(8)
TL257.5 Automobiles--Shock absorbers--Design and construction.
(53)
TL269.C474 Brakes--Maintenance and repair
(11)
TL270 Automobiles--Wheels--Alignment.
(8)
TL275.J6 Automobiles--Maintenance and repair.
(10)
TL410 Bicycles and bicycling--Design and construction
(16)
TL440 Motorcycles.
(10)
TL445.M369 Motorcycles--Electric equipment--Maintenance and repair.
(5)
TL448 Electric motorcycles
(29)
TL507.G77 Vortex generators.
(5)
TL521 Aerodynamics, Hypersonic.
(40)
TL521.3 Automatic Control
(197)
TL574.C3 Cascade
(3)
TL589.2.N3 Navigation computer
(7)
TL671.6. Materials--Fatigue.
(18)
TL671.9 Airplanes--Maintenance and Repair
(10)
TL673.F6 Flaps (Airplane)
(1)
TL681.A5 Air conditioning (Aeronautics )
(7)
TL696.C6 Airplanes--Collision avoidance
(2)
TL697.P6 Pneumatic equipment
(5)
TL725 Airport terminals.
(2)
TL725.3 Traffic Control
(25)
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)
(6)
TL798.N3 Global Positioning System.
(6)
TN Mining engineering. Metallurgy
(521)
TN23 Metal cladding.
(8)
TN24 Aquifers
(2)
TN269 Prospecting--Geophysical methods
(22)
TN271.K2 Kaolin
(4)
TN295 Fly ash
(10)
TN408.N56 Sand, Iron
(5)
TN490 Zircon mines and mining
(1)
TN677 Blast furnaces.
(17)
TN687 Electric furnaces.
(11)
TN688 Hydrometallurgy
(15)
TN689+ Physical metallurgy
(8)
TN690 Metallography. Physical metallurgy
(78)
TN693.M3 Magnesium
(6)
TN752.I5 Steel--Heat treatment
(138)
TN775 Aluminum alloys--Metallurgy.
(10)
TN799.N6 Nickel--Metallurgy
(23)
TN871.3 Offshore well drilling
(16)
TN879.5 Petroleum pipelines
(36)
TN879.6 Welding
(49)
TN880.5 Natural gas pipelines
(27)
TP Chemical technology
(1101)
TP1140 Polymers
(112)
TP1151 Special molding and casting processes
(4)
TP1175.S6 Spraying Coating with plastics
(4)
TP155.5 Chemical plants--Design and construction
(86)
TP156 Crystallization. Extraction (Chemistry). Fermentation. Distillation. Emulsions.
(215)
TP156.C64 Controlled release technology
(3)
TP159.A5 Antioxidants
(2)
TP159.M4 Membranes (Technology)
(6)
TP159.M6 Zeolites
(14)
TP159.S4 Separators (Machine)
(15)
TP245.C3 Calcium carbonate.
(3)
TP248 Nanogels. Nanoparticles.
(77)
TP248.25.M45 Membrane reactors
(4)
TP248.25.M46 Membrane separation
(24)
TP248.25.N35 Microencapsulation.
(3)
TP248.3 Biochemical engineering. Bioprocess engineering
(38)
TP248.65.C55 Chitosan--Biotechnology.
(5)
TP255 Electrochemistry, Industrial.
(110)
TP339 Ethanol as fuel. Biomass energy.
(52)
TP343 Liquid and gaseous fuel
(59)
TP350 Natural gas--Drying.
(44)
TP359 Biogas
(74)
TP359.B46 Biodiesel fuels.
(22)
TP370 Food processing and manufacture
(50)
TP382 Sugar--Analysis.
(5)
TP451.E3 Edible coatings.
(2)
TP492.3 Refrigeration and refrigerating machinery
(16)
TP669 Oils, fats, and waxes
(29)
TP692.5 Oil and gasoline handling and storage
(34)
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
(82)
TR260.7 Autofocus cameras
(2)
TR267.733.M85 Multispectral imaging
(9)
TR845 Cinematography. Video recordings.
(18)
TR897.7 Computer animation
(38)
TS Manufactures
(1199)
TS1017 Athletic shoes
(1)
TS155 Production control. Production planning. Production management
(136)
TS156 Quality Control. QFD. Taguchi methods (Quality control)
(279)
TS157.5 Production scheduling
(30)
TS161 Materials management.
(2)
TS167 Costs, Industrial
(143)
TS170 New products. Product Development
(89)
TS171 Product design
(224)
TS173 Reliability of industrial products
(31)
TS174 Maintainability (Engineering) . Reliability (Engineering)
(67)
TS176 Manufacturing engineering. Process engineering (Including manufacturing planning, production planning)
(113)
TS195 Packaging
(12)
TS205 Metals--Heat treatment.
(22)
TS227 Welding.
(62)
TS2301.T7 Toys, etc
(4)
TS233 Sand casting. Metal castings--Thermal properties.
(11)
TS253 Die-Casting
(22)
TS280 Pipe Bending, Tube Bending
(30)
TS283 Pressure vessels.
(1)
TS320 Steel--Metallurgy.
(5)
TS670 Electroplating
(1)
TS695 Physical/Chemical vapor deposition
(7)
TS699 Powder coating of metals
(18)
TT Handicrafts Arts and crafts
(42)
TT149 Craft festivals--Planning.
(1)
TT199.7 Wood-carving.
(3)
TX Home economics
(38)
TX349 Nutrition. Foods and food supply
(11)
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
(34)
D History (General)
(28)
D051 Ancient History
(9)
D111 Medieval History
(1)
D204 Modern History
(4)
D731 World War II
(3)
D839 Post-war History, 1945 on
(3)
D880 Developing Countries
(1)
D901 Europe (General)
(1)
DF Greece
(1)
DJ Netherlands (Holland)
(1)
DS Asia
(5)
DU Oceania (South Seas)
(1)
E History America
(1)
E151 United States (General)
(1)
G Geography. Anthropology. Recreation
(1006)
G Geography (General)
(555)
G109.5 Global Positioning System
(79)
G155 Tourism
(126)
G70.212 ArcGIS. Geographic information systems.
(196)
G70.217 Geospatial data
(144)
G70.5.I4 Remote sensing
(174)
GA Mathematical geography. Cartography
(69)
GA102.4.R44 Cartography--Remote sensing
(4)
GA105.3 Cartography.
(9)
GA139 Digital Elevation Model (computer program)
(24)
GB Physical geography
(117)
GB1003.2 Groundwater.
(8)
GB1197.7 Groundwater flow. Reservoirs
(32)
GB1399.9 Floods
(22)
GB600 Karst conservation.
(10)
GC Oceanography
(97)
GC1018.5 Ocean zoning.
(4)
GC89 Sea Level
(4)
GE Environmental Sciences
(137)
GF Human ecology. Anthropogeography
(11)
GN Anthropology
(7)
GR Folklore
(8)
GT Manners and customs
(4)
GV Recreation Leisure
(156)
GV1469.15 Mobile games.
(5)
GV1469.2 Computer games
(101)
GV423 Playgrounds.
(3)
GV191.66 Outdoor recreation resources planning and management
(29)
H Social Sciences
(3818)
H Social Sciences (General)
(154)
H61.4 Forecasting in the social sciences
(33)
HA Statistics
(898)
HA29 Theory and method of social science statistics
(98)
HA30.3 Time-series analysis
(94)
HA30.6 Spatial analysis
(53)
HA31.3 Regression. Correlation
(178)
HA31.35 Analysis of variance
(34)
HA31.38 Data envelopment analysis.
(16)
HA31.7 Estimation
(62)
HB Economic Theory
(276)
Economic forecasting--Mathematical models.
(120)
HB615 Entrepreneurship.
(9)
HB801 Consumer behavior.
(81)
HB846.2 Cost benefit analysis
(36)
HC Economic History and Conditions
(65)
HC108 Market surveys.
(43)
HC79.E5 Sustainable development. (circular economy)
(2)
HD Industries. Land use. Labor
(1665)
HD108 Classification (Theory. Method. Relation to other subjects )
(47)
HD1387 Valuation
(3)
HD1391 Apartment houses
(85)
HD1393.25 Business enterprises
(36)
HD28 Management. Industrial Management
(240)
HD30.2 Knowledge management.
(22)
HD30.213 Management information systems. Dashboards. Enterprise resource planning.
(112)
HD30.23 Decision making. Business requirements analysis.
(135)
HD30.24 Feasibility studies. Feasibility appraisals
(29)
HD30.28 Planning. Business planning. Strategic planning.
(178)
HD30.335 Communication systems
(17)
HD31 Management--Evaluation
(117)
HD3656 Inspection. Factory inspection
(9)
HD38.5 Business logistics--Cost effectiveness. Supply chain management. ERP
(142)
HD38.7 Business intelligence. Trade secrets
(8)
HD39.5 Industrial procurement.
(29)
HD4465 Water utilities--Rates
(17)
HD45 Technological innovations
(18)
HD49 Crisis management. Emergency management
(9)
HD55 Inventory control
(92)
HD56.25 Industrial efficiency--Measurement. Industrial productivity--Measurement.
(74)
HD58.7 Corporate culture.
(6)
HD58.87 Reengineering (Management) Business process
(11)
HD58.93 Balanced scorecard
(15)
HD61 Risk Management
(246)
HD618 Open spaces
(26)
HD62.15 Total quality management.
(5)
HD62.5 New business enterprises. Business incubators.
(16)
HD69.T54 Time management. Scheduling
(65)
HD6978 Cost and standard of living.
(1)
HD7255 Vocational rehabilitation. Employment of people with disabilities
(1)
HD7293 Housing policy
(23)
HD74 Internet advertising.
(7)
HD7526 Model communities. Model industrial
(8)
HD9000 Agricultural industries
(10)
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
(23)
HD9980.5 Service industries--Quality control.
(22)
HD9995.P75-.P754 Prosthesis
(1)
HD9999.C715-.C7154 Composite materials
(14)
HD9999.H362 Handicraft--Marketing.
(2)
HD9999.N36+ Nanostructured materials
(1)
HE Transportation and Communications
(391)
HE1976 Tickets
(4)
HE311.I4 Urban transportation
(123)
HE336.C5 Choice of transportation
(32)
HE336.R68 Route choice
(33)
HE355 Traffic engineering
(68)
HE355.4 Toll roads
(23)
HE551 Cargo handling.
(1)
HE5614.3.N5 Traffic accidents
(10)
HE564.A1 Shipping
(50)
HE566.F7 Freighters. Cargo ships
(18)
HE566.S3 Sailing ships
(12)
HE566.T3 Tankers
(8)
HE5736 Bicycle transportation
(8)
HE9787.5 Airplanes--Ground handling
(6)
HF Commerce
(485)
HF1916 Tariff
(5)
HF54.54 Electronic information resources. Digital libraries
(5)
HF5415.1265 Internet marketing.
(46)
HF5415.127 Market segmentation. Target marketing
(46)
HF5415.15 Branding (Marketing)
(27)
HF5415.155 Product life cycle.
(1)
HF5415.32 Consumers' preferences
(26)
HF5415.335 Consumer satisfaction
(99)
HF5415.5 Customer services. Customer relations
(55)
HF5415.52 Consumer complaints. Complaint letters
(5)
HF5415.7 Physical distribution management
(9)
HF5416.5 Pricing
(15)
HF5438.35 Data Processing (selling)
(6)
HF5485 Warehouses--Management
(11)
HF5548.32 Electronic commerce.
(45)
HF5548.34 Mobile commerce.
(8)
HF5549 Job analysis. Personnel management. Employment management
(32)
HF5549.2 Personel Management
(31)
HF5549.5 Job evaluation.
(6)
HF5549.5.J63 Job satisfaction (Personnel management)
(15)
HF5549.5.P35 Performance standards
(57)
HF5549.5.P7 Promotions.
(2)
HF5601 Accounting
(6)
HF5658.5 Price fluctuations
(4)
HF5686 Fuel
(10)
HF5686.C1175 Cemeteries
(1)
HF5686.C8 Activity-based costing
(4)
HF5843 Outdoor advertising. Billboards. Posters
(8)
HF6161.F616 Food. Food service
(5)
HG Finance
(188)
HG3881 Foreign exchange.
(5)
HG4012 Mathematical models
(23)
HG4028.V3 Valuation. Economic value
(17)
HG4529 Investment analysis
(59)
HG4529.5 Portfolio management
(12)
HG4910 Investments
(32)
HG8771 Life insurance
(5)
HJ Public Finance
(28)
HM Sociology
(36)
HM141 Leadership
(3)
HM742 Online social networks.
(23)
HN Social history and conditions. Social problems. Social reform
(97)
HN690.5 Slums
(19)
HQ The family. Marriage. Woman
(20)
HQ2042 life style
(6)
HS Societies secret benevolent etc
(1)
HT Communities. Classes. Races
(241)
HT133 City and Towns. Land use,urban
(147)
HT166 City Planning--Environmental aspects
(115)
HT390+ Coastal zone management
(4)
HV Social pathology. Social and public welfare
(31)
HV1597.2 Deafblind people--Education.
(1)
HV1669 Braille
(5)
HV551.5.I4 Hazard mitigation
(4)
HV6074.F66 Fingerprints.
(1)
HV6691 Fraud--Prevention
(2)
HV8079.C65 Computer crimes
(2)
J Political Science
(16)
JA Political science (General)
(1)
JF Political institutions (General)
(2)
JF1351.H6 Public administration.
(2)
JS Local government Municipal government
(14)
K Law
(20)
K Law (General)
(16)
KZ Law of Nations
(5)
L Education
(318)
L Education (General)
(145)
LA History of education
(13)
LB Theory and practice of education
(170)
LB1029.S53 Educational games. Simulation methods
(81)
LB1044.87 Internet in education (e-learning). Virtual reality in education.
(51)
LB1501 Primary Education
(11)
LB1603 Secondary Education. High schools
(13)
LB2300 Higher Education
(12)
LB2361 Curriculum
(3)
LB2965.T28 Education--Taiwan
(1)
LC Special aspects of education
(13)
LC156 Literacy
(1)
LC5201 Education extension. Adult education. Continuing education
(5)
LC5800 Distance education.
(1)
LD Individual institutions (United States)
(1)
LG Individual institutions (Asia. Africa)
(3)
LT Textbooks
(3)
M Music and Books on Music
(21)
M Music
(18)
ML Literature of music
(3)
MT Musical instruction and study
(2)
N Fine Arts
(1411)
N Visual arts (General) For photography, see TR
(87)
NA Architecture
(935)
NA1507.K45 Building, Wooden.
(11)
NA2542.36 Sustainable architecture
(62)
NA2750 Architectural design.
(122)
NA2941 Facades
(21)
NA4670 Mosques
(8)
NA6300 Airport terminals.
(1)
NA6310 Railroad stations.
(4)
NA6320 Bus terminals
(9)
NA6600 Education buildings
(101)
NA6602.D6 Dormitories
(18)
NA6695 Art museums and galleries
(14)
NA7115 Domestic architecture. Houses. Dwellings
(160)
NA7820 Hotels. Inns. Hotel lobbies For resorts
(20)
NA7860 Apartment houses.
(6)
NA9051 Residential areas. Site planning
(41)
NA9053 City planning
(180)
NA9074 Pedestrian areas
(11)
NB Sculpture
(8)
NB1250 Wood sculpture--Technique.
(1)
NC Drawing Design Illustration
(204)
ND Painting
(12)
NE Print media
(53)
NK Decorative arts Applied arts Decoration and ornament
(327)
NK2115 Interior decoration
(252)
NK2115.5.F77 Furniture
(42)
NK2195.V34 Vacation homes. Resort houses. Summerhouses
(7)
NX Arts in general
(74)
NX456.5.P38 Performance art.
(2)
P Language and Literature
(38)
P Philology. Linguistics
(1)
P325 Semantics.
(1)
PI Oriental languages and literatures
(1)
PL Languages and literatures of Eastern Asia, Africa, Oceania
(1)
PN Literature (General)
(35)
PN0441 Literary History
(3)
PN1992.94 Video recordings--Production and direction.
(16)
PN1993 Motion Pictures
(11)
PN1995.9 Documentary films--Production and direction
(7)
PZ Childrens literature
(2)
Q Science
(6236)
Q Science (General)
(530)
Q180.55.M38 Mathematical models
(127)
Q325 GMDH algorithms.
(12)
Q325.5 Machine learning.
(129)
Q325.78 Back propagation
(22)
Q337.3 Swarm intelligence
(16)
Q337.5 Pattern recognition systems
(28)
Q370 Entropy (Information theory)
(7)
QA Mathematics
(3561)
QA336 Artificial Intelligence
(118)
QA141 Numeracy--Problems, exercises, etc.
(2)
QA159 Algebra
(18)
QA166 Graph theory
(32)
QA184 Algebra, Linear
(62)
QA246.8 Gaussian
(6)
QA248_Fuzzy Sets
(62)
QA269 Game theory
(22)
QA273.5 Stochastic geometry
(3)
QA273.6 Weibull distribution. Logistic distribution.
(7)
QA274.2 Stochastic analysis
(20)
QA274.7 Markov processes--Mathematical models.
(26)
QA274.8 Queuing theory
(1)
QA275 Theory of errors. Least squares. Including statistical inference
(21)
QA276 Mathematical statistics. Time-series analysis. Failure time data analysis. Survival analysis (Biometry)
(125)
QA278 Cluster Analysis. Multivariate analysis. Correspondence analysis (Statistics)
(184)
QA278.2 Regression Analysis. Logistic regression
(514)
QA278.3 Structural equation modeling.
(84)
QA278.5 Principal components analysis. Factor analysis. Correspondence analysis (Statistics)
(112)
QA278.55 Cluster analysis
(94)
QA279 Response surfaces (Statistics). Analysis of covariance.
(5)
QA279.5 Bayesian statistical decision theory.
(50)
QA280 Box-Jenkins forecasting
(67)
QA322.2 Normed linear spaces. Banach spaces
(3)
QA329.6 Hankel operators.
(2)
QA353.K47 Kernel functions (analysis)
(13)
QA371 Differential equations--Numerical solutions
(20)
QA372.B9 Differential equations--Numerical solutions. Runge-Kutta formulas--Data processing.
(11)
QA380 Bifurcation theory
(1)
QA39.3 Fuzzy mathematics
(9)
QA401 Mathematical models.
(9)
QA402 System analysis.
(52)
QA402.3 Kalman filtering.
(43)
QA402.5 Genetic algorithms.
(62)
QA402.6 Transportation problems (Programming)
(16)
QA403.3 Wavelets (Mathematics)
(17)
QA404 Fourier series
(19)
QA611.28 Metric spaces
(12)
QA614.58 Catastrophes
(3)
QA614.8 Differentiable dynamical systems
(11)
QA640.7 Discrete geometry
(6)
QA75 Electronic computers. Computer science. EDP
(278)
QA76 Computer software
(395)
QA76.8 Microprocessor
(41)
QA76.585 Cloud computing. Mobile computing.
(49)
QA76.5915 Ubiquitous computing.
(3)
QA76.6 Computer programming.
(180)
QA76.625 Internet programming.
(17)
QA76.754 Software architecture. Computer software
(61)
QA76.758 Software engineering
(152)
QA76.76.A63 Application program interfaces
(45)
QA76.76.A65 Application software. Enterprise application integration (Computer systems)
(106)
QA76.76.E95 Expert systems
(4)
QA76.76.P37 Software patterns.
(5)
QA76.76.P74 Software productivity--Measurement. Function point analysis.
(3)
QA76.76.S64 Software maintenance.
(6)
QA76.774.A53 Android
(53)
QA76.87 Neural networks (Computer Science)
(368)
QA76.9 Computer algorithms. Virtual Reality. Computer simulation.
(161)
QA76.9.A25 Computer security. Digital forensic. Data encryption (Computer science)
(40)
QA76.9.C55 Client/server computing
(11)
QA76.9.D33 Data compression (Computer science)
(10)
QA76.9.D343 Data mining. Querying (Computer science)
(151)
QA76.9.D37 Data warehousing.
(2)
QA76.9.E77 Error messages
(1)
QA76.9.F38 Fault-tolerant computing
(5)
QA76.9.I52 Information visualization
(14)
QA76.9.I58 Recommender systems (Information filtering)
(4)
QA76.9.U83 Graphical user interfaces. User interfaces (Computer systems)--Design.
(26)
QA76.9D338 Data integration
(15)
QA76.F56 Data structures (Computer science)
(9)
QA9.58 Algorithms
(100)
QA9.64 Fuzzy logic
(146)
QA911 Fluid dynamics. Hydrodynamics
(37)
QA935 Vibration
(24)
QB Astronomy
(20)
QB336 Gravity anomalies
(13)
QB415.2 Tides.
(2)
QC Physics
(989)
QC 611.97.T46 Temperature effects. Including transition temperature
(26)
QC1 Dielectrics
(4)
QC100 Crystals.
(9)
QC100.5 Measuring instruments (General)
(56)
QC107 .A67 Quartz crystal microbalances.
(2)
QC111 Density and specific gravity
(23)
QC151 Fluid dynamics
(45)
QC162 Adsorption and absorption
(30)
QC173.4.C63 Composite materials
(71)
QC174.17.M33 Markov processes
(1)
QC174.17.Q38 Quantum teleportation
(5)
QC20.7.F67 Fourier transformations
(12)
QC221 Acoustics. Sound
(53)
QC271 Temperature measurements
(107)
QC271.8.C3 Calibration
(15)
QC320 Heat transfer
(78)
QC389 Light--Transmission--Mathematical models.
(1)
QC411 Interferometry.
(2)
QC446.3.H37 Harmonics (Electric waves)
(8)
QC448 Fiber optics.
(32)
QC451 Spectroscopy
(10)
QC457 Infrared technology.
(11)
QC475 Photoluminescence
(10)
QC585 Dielectrics
(5)
QC585.75.S55 Silica
(14)
QC610.3 Electric conductivity
(50)
QC611.97.C54 Superconductors
(2)
QC631.D29 Electrodynamics.
(2)
QC665.E38 Electric fields.
(2)
QC718 Magnetohydrodynamics.
(4)
QC765 Magnetic materials
(19)
QC766.F3 Ferrites
(2)
QC793.5.N42 Neutrinos.
(1)
QC795.5 Radioactivity and radioactive Instruments and apparatus (General)
(7)
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
(782)
QD75.2 Chemistry, Analytic
(78)
Polymerization
(37)
QD281 Pyrolysis
(9)
QD115 Electrochemical analysis
(20)
QD117 Absorption
(33)
QD117.S64 Spectrophotometry
(27)
QD181.S6 A4 Aluminum silicates
(13)
QD181.Z6 Zinc oxide
(7)
QD251.2 Chemistry, Organic. Biochemistry
(106)
QD305.A2 O73 Esterification
(9)
QD320 Cellulose. Hydrolysis
(42)
QD341 Coumarins
(2)
QD341.H9 Graphene
(5)
QD341.P5 Phenols.
(1)
QD383 Epoxy Compounds
(3)
QD416 Essences and essential oils.
(5)
QD471 Chemical compounds - Structure and formulas
(53)
QD481 Chemical structure.
(1)
QD501 Catalysis. Catalysts.
(85)
QD502 Chemical kinetics
(46)
QD547 Flocculation, precipitation, adsorption, etc.
(33)
QD553 Electrochemistry. Electrolysis
(29)
QD569 Electrocatalysis.
(1)
QD63 Extraction
(58)
QD63.O9 Electrolytic oxidation.
(2)
QD63.S4 Separation (Technology)
(20)
QD716 Photocatalysis.
(26)
QD79.T38 Thermal analysis
(3)
QD905.2 Crystals.
(5)
QD96F56 Fluorescence spectroscopy
(9)
QE Geology
(295)
QE391.Z7 Zircon
(3)
QE471 Sedimentary rocks. Sedimentology
(26)
QE538.5 Seismic waves. Elastic waves
(46)
QE538.8 Earthquakes. Seismology
(39)
QE539.2 Seismic traveltime inversion
(11)
QE539.2.S4 Seismic models
(33)
QE571 Sedimentation and deposition. Sediment transport. Erosion.
(70)
QE599 Landslides. Rockslides
(8)
QE601 Geology, Structural
(103)
QE604 Deformation
(13)
QH Biology
(190)
QH301 Biology
(110)
QH426 Genetics
(7)
QH541 Ecology
(28)
QH541.15.T68 Toxicity testing
(11)
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)
QH9 Eelgrass.
(1)
QH91.8.S64 Species diversity
(9)
QK Botany
(91)
QK14.5 Botanical literature (Including works on herbals)
(2)
QK495.A14 Seagrasses.
(2)
QK568 Microalgae
(17)
QK710 Plant physiology
(21)
QK751 Plants--Effect of air pollution on
(1)
QK754.7.D75 Droughts. Drought tolerance
(2)
QK870 Plant-water relationships
(3)
QK898.L56 Lipids
(1)
QK899 Xanthone
(6)
QK938.M27 Mangrove forests and swamps
(8)
QL Zoology
(27)
QL435.A3 Crustacea
(2)
QL639.1 Fishes--Growth.
(3)
QM Human anatomy
(11)
QM101 Skeleton. Osteology
(1)
QP Physiology
(68)
Q376.5 Electroencephalography (EEG)
(10)
QP310.W3 Gait in humans.
(2)
QP34.5 Human engineering
(18)
QP517.B5 Biodegradation.
(5)
QP519.9.E434 Electrophoresis.
(5)
QP609.P78 Proteolytic enzymes.
(5)
QP624 Molecular biology.
(13)
QP801.B69 Biopolymers
(2)
QP801.P64 Polymers--Biodegradation
(2)
QP82.2.H8 humidity
(4)
QR Microbiology
(102)
QR 201.T84 Tumors. Cancer
(20)
QR187.4 Phagocytosis
(2)
QR355 Virology
(1)
QR74.8 Bacteria
(34)
QR96.8 Adhesion
(1)
R Medicine
(384)
R Medicine (General)
(128)
R727.3 Patient satisfaction.
(3)
R853.S7 Survival analysis (Biometry)
(9)
R858 Deep Learning
(50)
RA Public aspects of medicine
(100)
RA0421 Public health. Hygiene. Preventive Medicine
(38)
RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine
(2)
RA567 Medical waste.
(8)
RA644.C67 COVID-19 (Disease)
(32)
RA960+ Hospitals
(7)
RA971 Health services administration.
(5)
RB Pathology
(17)
RC Internal medicine
(63)
RC0254 Neoplasms. Tumors. Oncology (including Cancer)
(15)
RC0321 Neuroscience. Biological psychiatry. Neuropsychiatry
(5)
RC1200 Sports Medicine
(4)
RC137 Dengue
(8)
RC346 Nervous system--Diseases--Prognosis.
(2)
RC386.5 Electroencephalography.
(7)
RC683.5.E5 Electrocardiography
(9)
RC771 Pneumonia.
(4)
RC78 Diagnosis, Radioscopic--Examinations, questions, etc.
(2)
RC78.7.N83 Magnetic resonance imaging.
(2)
RD Surgery
(24)
RD130 Artificial organs; Prosthesis
(12)
RE Ophthalmology
(5)
RE48 Eye--Diseases. Ophthalmoscopy.
(2)
RF Otorhinolaryngology
(1)
RG Gynecology and obstetrics
(5)
RJ Pediatrics
(12)
RJ101 Child Health. Child health services
(11)
RK Dentistry
(6)
RL Dermatology
(7)
RM Therapeutics. Pharmacology
(27)
RM871 Electric stimulation.
(2)
RM950 Rehabilitation technology.
(6)
RS Pharmacy and materia medica
(9)
RT Nursing
(4)
RT89 Nursing services--Administration.
(3)
RV Botanic, Thomsonian, and eclectic medicine
(2)
RZ Other systems of medicine
(33)
S Agriculture
(239)
S Agriculture (General)
(127)
S494.5.D58 Diversification
(5)
S593.2 Soil Structure
(14)
S600.7.P53 Planting time
(5)
S600.7.R35 Rain and rainfall
(9)
S602.87 Shifting cultivation
(1)
S633.5 Fertilizers
(17)
S654.5 Biofertilizers
(1)
SB Plant culture
(25)
SB409.58 Plant propagation. Including in vitro propagation
(3)
SB951.145.N37 Natural pesticides
(2)
SD Forestry
(16)
SD387.F52 Fire management
(9)
SF Animal culture
(8)
SH Aquaculture. Fisheries. Angling
(71)
SH157.85 Artificial reefs.
(6)
SH177.W64 Wood pulp industry
(4)
SH337.5 Fishing ports--Design and construction
(22)
U Military Science
(93)
U Military Science (General)
(70)
UG Military Engineering
(30)
UG1242.D7 Unmanned aerial vehicles. Drone aircraft
(24)
UG1242 Drone aircraft--Control systems. (unmanned vehicle)
(30)
V Naval Science
(1938)
V Naval Science (General)
(299)
V220 Naval ports, bases, reservations, docks, etc.
(51)
VC Naval Maintenance
(123)
VC 270-279 Equipment of vessels, supplier,allowances,etc
(75)
VK
(69)
VK1258 Ships--Fires and fire prevention
(7)
VK200 Merchant marine--Safety measures
(15)
VK358 Marine terminals
(14)
VK361 Mooring of ships. Dry docks
(18)
VK388 Sonar
(3)
VM Naval architecture. Shipbuilding. Marine engineering
(1636)
Marine gas-turbines
(8)
VM 464 Towboats. Tugboats
(29)
VM1 Ballast (Ships)
(31)
VM156 Naval architecture
(59)
VM161 Ships--Hydrodynamics
(78)
VM163 Hulls (Naval architecture)
(116)
VM276.A1 Fuel (Including supplies, costs, etc.)
(64)
VM293 Shipping--Indonesia--Safety measures
(215)
VM297 Ships Designs and drawings
(152)
VM298.5 Shipbuilding industri. Shipyards
(108)
VM311 Catamarans.
(45)
VM341 Motorboats
(1)
VM362 Hydrofoil boats.
(19)
VM365 Remote submersibles. Autonomous vehicles.
(26)
VM381 Passenger ships
(42)
VM453 Oceanographic research ships.
(1)
VM485 Cold storage on ships. Marine refrigeration.
(37)
VM731 Marine Engines
(214)
VM740 Marine turbines
(15)
VM751 Resistance and propulsion of ships
(66)
VM753 Propellers
(42)
VM761 Stability of ships
(47)
VM773 Ship propulsion, Electric
(121)
VM431 Fishing boats
(75)
Z Bibliography. Library Science. Information Resources
(259)
Z004 Books. Writing. Paleography
(7)
Z116.A3 Book design.
(20)
Z278 Books
(9)
Z665 Library Science. Information Science
(37)
Z666.7 Metadata.
(3)
Z669.8 Bibliometrics
(4)
Z674.75.W67 Webometrics.
(1)
Z719 Libraries (General)
(5)
ZA Information resources
(186)
Z699.5 Information storage and retrieval systems
(61)
ZA4050 Electronic information resources
(62)
ZA4450 Databases
(65)