Library of Congress Classification:Class Q -- Science
Class Q: Science is a classification used by the Library of Congress Classification system. This article outlines the subclasses of Class Q.
Q Science (General)
- 1-390.......Science (General)
- 1-295......General
- 300-390....Cybernetics
- 350-390...Information theory
QA Mathematics
- 1-939..............Mathematics
- 1-43..............General
- 47-59.............Tables
- 71-90.............Instruments and machines
- 75-76.95.........Calculating machines
- 75.5-76.95......Electronic computers. Computer science
- 76.73.A-Z...Individual languages A-Z
- 76.73.A24.....ALGOL
- 76.73.A27.....APL
- 76.73.B3.....BASIC
- 76.73.C15.....C
- 76.73.C153.....C++
- 76.73.C154.....C#
- 76.73.C25.....COBOL
- 76.73.F25.....FORTRAN
- 76.73.J38.....Java
- 76.73.M53.....Microsoft Visual Basic
- 76.73.P25.....PL/1
- 76.73.P67.....PostScript
- 76.73.P98.....Python
- 76.73.R3.....R
- 76.73.S27.....SAS
- 76.73.S28.....Scala
- 76.73.S67.....SQL
- 76.73.Z2.....Z
- 76.75-76.765...Computer software
- 76.752.....Dictionaries
- 76.753.....Catalogs
- 76.754.....General works
- 76.755.....Handbooks, tables, etc.
- 76.756.....Addresses, essays, lectures
- 76.758.....Software engineering
- 76.76.A-Z.....Special topics, A-Z
- 76.76.A63.....Application program interfaces
- 76.76.A65.....Application software
- 76.76.A87.....Assemblers
- 76.76.C47.....Certification of software
- 76.76.C54.....Children's software
- 76.76.C64.....Compatibility of software
- 76.76.C65.....Compilers
- 76.76.C66.....Component software
- 76.76.C672.....Computer games
- 76.76.C68.....Computer viruses
- 76.76.C69.....Configuration management
- 76.76.C73.....Costs
- 76.76.D47.....Development
- 76.76.D49.....Device drivers
- 76.76.D57.....Disassemblers Including decompilers
- 76.76.D63.....Documentation of software
- 76.76.E93.....Evaluation of software
- 76.76.E95.....Expert systems
- 76.76.F34.....Failures of software
- 76.9.F48..... File conversion software
- 76.76.F75.....Free computer software
- 76.76.G46.....Generators
- 76.76.H85.....Human factors
- 76.76.H94.....Hypertext systems Including hypertext document markup languages, e. g. HTML (Document markup language), etc.
- 76.76.I55.....Install programs
- 76.76.I57.....Integrated software
- 76.76.I58.....Intelligent agents
- 76.76.I59.....Interactive media. Hypermedia
- 76.76.S65.....Measurement, Software
- 76.76.M52.....Microsoft .NET
- 76.76.M54.....Middleware Including object monitors
- 76.76.O63.....Operating systems Including DOS, UNIX, OS/2, etc.
- 76.76.P37.....Patterns, Software
- 76.76.P74.....Productivity
- 76.76.P76.....Protection of software
- 76.76.Q35.....Quality control
- 76.76.R42.....Refactoring of software
- 76.76.R44.....Reliability
- 76.76.R47.....Reusability
- 76.76.S37.....Screen savers
- 76.76.S375.....Self-adaptive software
- 76.76.S46.....Shareware
- 76.76.F34.....Software failures
- 76.76.S64.....Software maintenance
- 76.76.S65.....Software measurement
- 76.76.S66.....Software support
- 76.76.S69.....Spyware
- 76.76.S73.....Standards for software
- 76.76.S95.....Systems software
- 76.76.T45.....Teleprocessing monitors
- 76.76.T47.....Termination
- 76.76.T48.....Testing of software
- 76.76.T49.....Text editors
- 76.76.T55.....Threads
- 76.76.T83.....Translators
- 76.76.U84.....Utilities
- 76.76.V47.....Verification and validation of software
- 76.76.C68.....Viruses
- 76.76.W56.....Windows
- 76.76.S64.....Year 2000 date conversion
- 76.73.A-Z...Individual languages A-Z
- 75.5-76.95......Electronic computers. Computer science
- 75-76.95.........Calculating machines
- 101-145...........Elementary mathematics. Arithmetic
- 150-272.5.........Algebra
- 273-280...........Probabilities. Mathematical statistics
- 299.6-433.........Analysis
- 440-699...........Geometry. Trigonometry. Topology
- 801-939...........Analytic mechanics
QB Astronomy
- 1-991..........Astronomy
- 1-139.........General
- 140-237.......Practical and spherical astronomy
- 275-343.......Geodesy
- 349-421.......Theoretical astronomy and celestial mechanics
- 455-456.......Astrogeology
- 460-466.......Astrophysics
- 468-480.......Non-optical methods of astronomy
- 495-903.......Descriptive astronomy
- 500.5-785....Solar system
- 799-903......Stars
- 980-991.......Cosmology
QC Physics
- 1-999..............Physics
- 1-75..............General
- 81-114............Weights and measures
- 120-168.85........Descriptive and experimental mechanics
- 170-197...........Atomic physics. Constitution and properties of matter including molecular physics, relativity, quantum theory and solid state physics
- 221-246...........Acoustics. Sound
- 251-338.5.........Heat
- 310.15-319.......Thermodynamics
- 350-467...........Optics. Light
- 450-467..........Spectroscopy
- 474-496.9.........Radiation physics (General)
- 501-766...........Electricity and magnetism
- 501-721..........Electricity
- 669-675.8.......Electromagnetic theory
- 676-678.6.......Radio waves (Theory)
- 680.............Quantum Electrodynamics
- 701-715.4.......Electric discharge
- 717.6-718.8.....Plasma physics. Ionized gases
- 750-766..........Magnetism
- 501-721..........Electricity
- 770-798...........Nuclear and particle physics. Atomic energy. Radioactivity
- 793-793.5........Elementary particle physics
- 794.95-798.......Radioactivity and radioactive substances
- 801-809...........Geophysics. Cosmic physics
- 811-849...........Geomagnetism
- 851-999...........Meteorology. Climatology (including the earth's atmosphere)
- 974.5-976........Meteorological optics
- 980-999..........Climatology and weather
- 994.95-999......Weather forecasting
QD Chemistry
- 1-999..............Chemistry
- 1-65..............General (including alchemy)
- 71-142............Analytical chemistry
- 146-197...........Inorganic chemistry
- 241-441...........Organic chemistry
- 415-436..........Biochemistry
- 450-801...........Physical and theoretical chemistry
- 625-655..........Radiation chemistry
- 701-731..........Photochemistry
- 901-999...........Crystallography
QE Geology
- 1-996.5............Geology
- 1-350.62..........General (including geographical divisions)
- 351-399.2.........Mineralogy
- 420-499...........Petrology
- 500-639.5.........Dynamic and structural geology
- 521-545..........Volcanoes and earthquakes
- 601-613.5........Structural geology
- 640-699...........Stratigraphy
- 701-760...........Paleontology
- 760.8-899.2.......Paleozoology
- 901-996.5.........Paleobotany
QH Natural history - Biology
- 1-278.5............Natural History (General)
- 1-199.5...........General (including nature conservation, geographical distribution)
- 201-278.5.........Microscopy
- 301-705.5..........Biology (General)
- 359-425...........Evolution
- 426-470...........Genetics
- 471-489...........Reproduction
- 501-531...........Life
- 540-549.5.........Ecology
- 573-671...........Cytology
- 705-705.5.........Economic biology
QK Botany
- 1-989..............Botany
- 1-474.5...........General (including geographical distribution)
- 474.8-495.........Spermatophyta. Phanerogams
- 494-494.5........Gymnosperms
- 495..............Angiosperms
- 504-638...........Cryptogams
- 640-707...........Plant anatomy
- 710-899...........Plant physiology
- 900-989...........Plant ecology
QL Zoology
- 1-991..............Zoology
- 1-355.............General (including geographical distribution)
- 360-599.82........Invertebrates
- 461-599.82.......Insects
- 605-739.8.........Chordates. Vertebrates
- 614-639.8........Fishes
- 640-669.3........Reptiles and amphibians
- 671-699..........Birds
- 700-739.8........Mammals
- 750-795...........Animal behavior
- 791-795..........Stories and anecdotes
- 799-799.5.........Morphology
- 801-950.9.........Anatomy
- 951-991...........Embryology
- 1-695..............Human anatomy
- 1-511.............General
- 531-549...........Regional anatomy
- 550-577.8.........Human and comparative histology
- 601-695...........Human embryology
QP Physiology
- 1-981..............Physiology
- 1-345.............General (including influence of the environment)
- 351-495...........Neurophysiology and neuropsychology
- 501-801...........Animal biochemistry
- 901-981...........Experimental pharmacology
QR Microbiology
- 1-502..............Microbiology
- 1-74.5............General
- 75-99.5...........Bacteria
- 99.6-99.8.........Cyanobacteria
- 100-130...........Microbial ecology
- 171...............Microorganisms in the animal body
- 180-198.5.........Immunology
- 355-502...........Virology