Menu
Home
People
Places
Arts
History
Plants & Animals
Science
Life & Culture
Technology
Reference.org
Library of Congress Classification:Class Q -- Science
open-in-new
<h2 id="q---sciencegeneral">Q - <a href="/facts/Science/IJoaD7rs">Science</a> (General)</h2> 1-390.......<a href="/facts/Science/IJoaD7rs">Science</a> (General) 1-295......General 300-390....<a href="/facts/Cybernetics/4qb58zbt">Cybernetics</a> 350-390...<a href="/facts/Information_theory/qNLH3U5P">Information theory</a> <h2 id="qa---mathematics">QA - <a href="/facts/Mathematics/pxTouaz4">Mathematics</a></h2> 1-939..............<a href="/facts/Mathematics/pxTouaz4">Mathematics</a> 1-43..............General 47-59.............<a href="/facts/Mathematical_table/uCAtPzJo">Tables</a> 71-90.............<a href="/facts/Scientific_instrument/NX2ldw1E">Instruments</a> and <a href="/facts/Machine/wTCxFRfs">machines</a> 75-76.95.........<a href="/facts/Calculating_machine/As7HE5dB">Calculating machines</a> 75.5-76.95......<a href="/facts/Computer/SQe1aK05">Electronic computers</a>. <a href="/facts/Computer_science/lN3pEyPz">Computer science</a> 76.73.A-Z......Individual languages A-Z 76.73.A12.....<a href="/facts/ABAP/8Db7YbwW">ABAP</a> 76.73.A24.....<a href="/facts/ALGOL/wlFJGNEx">ALGOL</a> 76.73.A27.....<a href="/facts/APL_(programming_language)/E2sb98gC">APL</a> 76.73.A35.....<a href="/facts/Ada_(programming_language)/Y2yHel4l">Ada</a> 76.73.A67.....<a href="/facts/AppleScript/cc3rc4wD">AppleScript</a> 76.73.A8.......<a href="/facts/Assembly_language/7XuV0cla">Assembly languages. Assemblers</a> 76.73.A84.....<a href="/facts/AutoLISP/VQ7Hhmmk">AutoLISP</a> 76.73.A95.....<a href="/facts/AWK/lAQ0leyj">AWK</a> 76.73.B155...<a href="/facts/B_(programming_language)/b9n2WoNN">B</a> 76.73.B3......<a href="/facts/BASIC/VYMl5TmA">BASIC</a> 76.73.B78....BSV 753 76.73.C15.....<a href="/facts/C_(programming_language)/Ky2No763">C</a> 76.73.C153....<a href="/facts/C%2B%2B/Et0F2qn9">C++</a> 76.73.C154....<a href="/facts/C_Sharp_(programming_language)/UC2gxeyb">C#</a> 76.73.C25.....<a href="/facts/COBOL/wVnhqs0k">COBOL</a> 76.73.C56.....<a href="/facts/Clipper_(programming_language)/Gc8lbKgr">Clipper</a> 76.73.C58.....<a href="/facts/CoffeeScript/S8U53Pxy">CoffeeScript</a> 76.73.C75.....CSP 76.73.C87.....<a href="/facts/Curl_(programming_language)/dASja3Rv">Curl</a> 76.73.D138...<a href="/facts/D_(programming_language)/4qIzRjkF">D</a> 76.73.D14.....D* 76.73.D23.....<a href="/facts/Dart_(programming_language)/xJ8tE6Tl">Dart</a> 76.73.D25.....DRL 76.73.D95.....<a href="/facts/Dylan_(programming_language)/VVQGkShF">Dylan</a> 76.73.E27.....<a href="/facts/EasyLanguage/h9PqP8wY">EasyLanguage</a> 76.73.E38.....<a href="/facts/ELAN_(programming_language)/MHThl3zT">ELAN</a> 76.73.E75.....<a href="/facts/Erlang_(programming_language)/2PuxmzT3">ERLANG</a> 76.73.F16.....<a href="/facts/F_(programming_language)/5EMXWXUn">F</a> 76.73.F23.....<a href="/facts/FOCUS/QIIeSrt2">FOCUS</a> 76.73.F25.....<a href="/facts/FORTRAN/m1KqjcMU">FORTRAN</a> 76.73.F74.....<a href="/facts/Framework_(office_suite)/ItzSr6H3">FRED</a> 76.73.G25....<a href="/facts/GW-BASIC/3XcQtD2e">GW-BASIC</a> 76.73.G63....<a href="/facts/Go_(programming_language)/oWlsmAFJ">Go</a> 76.73.H37.....<a href="/facts/Haskell/ydEsHuGy">Haskell</a> 76.73.H6.......<a href="/facts/HP-GL/vLCHzJBY">HP-GL</a>/2 76.73.H96.....<a href="/facts/HyperTalk/296eUWJk">HyperTalk</a> 76.73.I22.......<a href="/facts/Informix_4GL/SQL/Wk3U6E3G">INFORMIX-4GL</a> 76.73.J2........<a href="/facts/J_Sharp/J8s8qupu">J#</a> 76.73.J38.....<a href="/facts/Java_(programming_language)/9ScgFyAL">Java</a> 76.73.J39.....<a href="/facts/JavaScript/XhhIIEsl">JavaScript</a> 76.73.J63.....<a href="/facts/Job_Control_Language/UCpfhoe4">Job Control Language</a> 76.73.J7.......JR 76.73.K63.....<a href="/facts/Kodu_Game_Lab/eSNlc8TY">Kodu</a> 76.73.K67.....<a href="/facts/KornShell/MMp8fQ4A">KornShell</a> 76.73.L23......<a href="/facts/Lisp_(programming_language)/xJHA3CrX">LISP</a> 76.73.L62......LogiQL 76.73.L63......<a href="/facts/Logo_(programming_language)/Wh4sdwAh">LOGO</a> 76.73.L66.......<a href="/facts/LotusScript/rzfyXtSM">LotusScript</a> 76.73.L82.......<a href="/facts/Lua_(programming_language)/xkBCgta0">Lua</a> 76.73.M15......<a href="/facts/MUMPS/06E3hkoE">M</a> 76.73.M29......<a href="/facts/Mathematica/dRwoGFG2">Mathematica</a> 76.73.M35......<a href="/facts/Maude_system/XSPF0XQm">Maude</a> 76.73.M39......<a href="/facts/MultiDimensional_eXpressions/7ppno3el">MDX</a> 76.73.M53.....<a href="/facts/Microsoft_Visual_Basic/7QMXM6fP">Microsoft Visual Basic</a> 76.73.M6.......<a href="/facts/ML_(programming_language)/RfwxASRF">ML</a> MySQL see QA76.73.S67 76.73.N39.....<a href="/facts/Asynchronous_circuit/n4ah2j7H">NCL</a> 76.73.O115...<a href="/facts/Objective-C/5mM557BW">Objective-C</a> 76.73.O213...<a href="/facts/OpenCL/ns8y6np7">OpenCL</a> 76.73.P224....<a href="/facts/PHP/vU6YRJX0">PHP</a> 76.73.P25.....<a href="/facts/PL/1/469mVYgd">PL/1</a> 76.73.P32......packetC 76.73.P67.....<a href="/facts/PostScript/h2XwbcmC">PostScript</a> PowerShell see QA76.73.W56 76.73.P75.....<a href="/facts/Processing_(programming_language)/DTgLD5Iq">Processing</a> 76.73.P76.....<a href="/facts/Prolog/r5h66Qh1">Prolog</a> 76.73.P98.....<a href="/facts/Python_(programming_language)/YbuGqofa">Python</a> 76.73.R25.....<a href="/facts/IBM_RPG/yNSN1Ga1">RPG</a> 76.73.R3......<a href="/facts/R_(programming_language)/LSrkr8K8">R</a> 76.73.R33....<a href="/facts/Racket_(programming_language)/5n7LW08b">Racket</a> 76.73.R83....<a href="/facts/Ruby_(programming_language)/BeYSaPSR">Ruby</a> 76.73.R87....<a href="/facts/Rust_(programming_language)/8JNMV19F">Rust</a> 76.73.S15.....<a href="/facts/S_(programming_language)/VTG29WnE">S</a> 76.73.S27.....<a href="/facts/SAS_language/pV7hwEJV">SAS</a> 76.73.S28.....<a href="/facts/Scala_(programming_language)/ebL8o6AK">Scala</a> 76.73.S34.....<a href="/facts/Scheme_(programming_language)/0aGdf3SC">Scheme</a> 76.73.S345...<a href="/facts/Scratch_(programming_language)/vNfuSb2L">Scratch</a> 76.73.S35.....<a href="/facts/Specification_and_Description_Language/dW7Q5zIe">SDL</a> 76.73.S59.....<a href="/facts/SPARK_(programming_language)/rQB6QTvf">SPARK</a> 76.73.S62.....<a href="/facts/SPARQL/XPP7pFDJ">SPARQL</a> 76.73.S67.....<a href="/facts/SQL/UjQLJcYm">SQL</a>. <a href="/facts/MySQL/QEEDNBDP">MySQL</a> 76.73.S95.....<a href="/facts/Swift_(programming_language)/A7qHQC32">Swift</a> 76.73.T44......<a href="/facts/Tcl/s7fbKYtR">Tcl</a> 76.73.T97......<a href="/facts/TypeScript/W9J27V1N">TypeScript</a> 76.73.U63......<a href="/facts/Unified_Parallel_C/PxDHtBcP">UPC</a> 76.73.V27......<a href="/facts/VBScript/tg6VhSCk">VBScript</a> Visual Basic see QA76.73.M53 76.73.W56.....<a href="/facts/PowerShell/G1d10lwn">Windows PowerShell</a> 76.73.W65.....<a href="/facts/Wolfram_Language/MDxl50Yq">Wolfram language</a> 76.73.X16......<a href="/facts/X86_assembly_language/GTUtvkMm">X86 assembly language</a> 76.73.X57......<a href="/facts/XPath/0eCtJoj7">XPath</a> 76.73.X58......<a href="/facts/XSLT/0gw4WVyJ">XSLT</a> 76.73.Z2.........<a href="/facts/Z_notation/5mUjpTvv">Z</a> 76.75-76.765...<a href="/facts/Computer_software/RP79lVSW">Computer software</a> 76.75...........Periodicals. Societies. Serials 76.751........Congresses 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.A54....<a href="/facts/AngularJS/vwI5s4aJ">AngularJS</a> 76.76.A63....Application program interfaces 76.76.A65....Application software 76.76.A87....Assemblers 76.76.A98....<a href="/facts/Automatic_differentiation/dQcdhBAM">Automatic differentiations</a> 76.76.C47....Certification of software 76.76.C54....Children's software 76.76.C64....Compatibility of software 76.76.C65....<a href="/facts/Compiler/WNfCDFJe">Compilers</a> 76.76.C66....Component software 76.76.C672...<a href="/facts/PC_game/AEDr23gA">Computer games</a> 76.76.C68....<a href="/facts/Computer_virus/IyTC1usq">Computer viruses</a> 76.76.C69....<a href="/facts/Configuration_management/BRDwuKRk">Configuration management</a> 76.76.C73....Costs 76.76.D47....Development 76.76.D49....<a href="/facts/Device_driver/rDYnHU1G">Device drivers</a> 76.76.D57....<a href="/facts/Disassembler/4PR39BbK">Disassemblers</a> 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....<a href="/facts/Free_software/IaoVtJXn">Free computer software</a> 76.76.G46....Generators 76.76.H85....Human factors 76.76.H94....<a href="/facts/Hypertext/qD8ozxSb">Hypertext</a> systems Including hypertext document markup languages, e. g. <a href="/facts/HTML/sSc3fT78">HTML</a> (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....<a href="/facts/.NET_Framework/J6QDAUhP">Microsoft .NET</a> 76.76.M54....Middleware Including object monitors 76.76.O63....<a href="/facts/Operating_system/8XTuvMh2">Operating systems</a> 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.S27.....SAP NetWeaver Gateway 76.76.S37....Screen savers 76.76.S375...Self-adaptive software 76.76.S46....<a href="/facts/Shareware/TAhIvJXt">Shareware</a> 76.76.F34....Software failures 76.76.S63....<a href="/facts/Software_framework/EWasA8sG">Software frameworks</a> 76.76.S64....<a href="/facts/Software_maintenance/Uv39zQb0">Software maintenance</a> 76.76.S65....<a href="/facts/Software_measurement/aFdMeAFA">Software measurement</a> 76.76.S66....Software support 76.76.S69....<a href="/facts/Spyware/NrVdv1by">Spyware</a> 76.76.S73....Standards for software 76.76.S95....Systems software 76.76.T45....<a href="/facts/Teleprocessing_monitor/5s6JLrB9">Teleprocessing monitors</a> 76.76.T47....Termination 76.76.T48....Testing of software 76.76.T49....<a href="/facts/Text_editor/jPCgtbvN">Text editors</a> 76.76.T55....Threads 76.76.T83....Translators 76.76.U84....Utilities 76.76.V47....Verification and validation of software 76.76.C68....<a href="/facts/Computer_virus/IyTC1usq">Viruses</a> 76.76.W56....<a href="/facts/Graphical_widget/SuVeScB2">Windows</a> 76.76.S64....Year 2000 date conversion 76.765........<a href="/facts/Firmware/62UVKIUK">Firm-ware</a> 76.77.........<a href="/facts/Operating_system/8XTuvMh2">Operating Systems</a> 76.76.T48.........General works 76.774.A-Z........Individual operating systems. By system, A-Z 76.774.A53........<a href="/facts/Android_(operating_system)/nNyHb0xz">Android</a> 76.774.B47........<a href="/facts/Berkeley_Software_Distribution/XQKcURrh">Berkeley BSD</a> 76.774.D67........<a href="/facts/DOS/sWwDXNmX">DOS</a> 76.774.F74........<a href="/facts/FreeBSD/RKsFTm7F">FreeBSD</a> 76.774.I67........<a href="/facts/IOS/mK5cggH5">iOS</a> 76.774.L46........<a href="/facts/Linux/9FvCKSTq">Linux</a> 76.774.M33........<a href="/facts/Macintosh_operating_systems/EkobAhow">Mac OS</a> 76.774.M43........<a href="/facts/Windows_7/tldLdbnX">Microsoft Windows 7</a> 76.774.M434.......<a href="/facts/Windows_8/eRtw96T3">Microsoft Windows 8</a> 76.774.M435.......<a href="/facts/Windows_10/be9IHehJ">Microsoft Windows 10</a> 76.774.M48........<a href="/facts/Windows_Me/fjENFRNa">Microsoft Windows Me</a> 76.774.M53........<a href="/facts/Windows_NT/EtccWvxQ">Microsoft Windows NT</a> 76.774.M55........<a href="/facts/Windows_Server/5t7XxyUV">Microsoft Windows server</a> 76.774.M56........<a href="/facts/Windows_Vista/IASEUCTB">Microsoft Windows Vista</a> 76.774.M58........<a href="/facts/Windows_XP/IozrkAYS">Microsoft Windows XP</a> 76.774.S65........<a href="/facts/Solaris_(operating_system)/KPfT98EJ">Solaris</a> 76.774.U28........Ubuntu 76.774.U64........UNIX 76.8.A-Z......Special computers, computer systems, and microprocessors. By name, A-Z 76.8.A54......AN/FSQ-7 101-145...........<a href="/facts/Elementary_mathematics/J0Jt18pb">Elementary mathematics</a>. <a href="/facts/Arithmetic/hvHwkbMV">Arithmetic</a> 150-272.5.........<a href="/facts/Algebra/nMdqczjo">Algebra</a> 273-280...........<a href="/facts/Probability/fgYvMhwb">Probabilities</a>. <a href="/facts/Statistics/DNPsKGYU">Mathematical statistics</a> 299.6-433.........<a href="/facts/Mathematical_analysis/XXeR26Ih">Analysis</a> 440-699...........<a href="/facts/Geometry/wTQf5ffQ">Geometry</a>. <a href="/facts/Trigonometry/K4hfaC6F">Trigonometry</a>. <a href="/facts/Topology/2EqW47cU">Topology</a> 801-939...........<a href="/facts/Analytic_mechanics/aotB0n4t">Analytic mechanics</a> <h2 id="qb---astronomy">QB - <a href="/facts/Astronomy/0ArJVM1p">Astronomy</a></h2> 1-991..........<a href="/facts/Astronomy/0ArJVM1p">Astronomy</a> 1-139.........General 140-237.......Practical and <a href="/facts/Spherical_astronomy/MIs7fBeu">spherical astronomy</a> 275-343.......<a href="/facts/Geodesy/EJH0Te0m">Geodesy</a> 349-421.......<a href="/facts/Theoretical_astronomy/4EjXwswq">Theoretical astronomy</a> and <a href="/facts/Celestial_mechanics/FA3uR78J">celestial mechanics</a> 455-456.......<a href="/facts/Astrogeology/7C3FXCe9">Astrogeology</a> 460-466.......<a href="/facts/Astrophysics/krFPRWLA">Astrophysics</a> 468-480.......Non-optical methods of astronomy 495-903.......Descriptive astronomy 500.5-785....<a href="/facts/Solar_System/QIcLSazQ">Solar System</a> 799-903......<a href="/facts/Star/PFbd6ICx">Stars</a> 980-991.......<a href="/facts/Physical_cosmology/ww4ChbEq">Cosmology</a> <h2 id="qc---physics">QC - <a href="/facts/Physics/a7aH2y08">Physics</a></h2> 1-999..............<a href="/facts/Physics/a7aH2y08">Physics</a> 1-75..............General 81-114............<a href="/facts/Weights_and_measures/pvTpWbmC">Weights and measures</a> 120-168.85........Descriptive and experimental <a href="/facts/Mechanics/A3yHLQA5">mechanics</a> 170-197...........<a href="/facts/Atomic_physics/7Jlm4I7k">Atomic physics</a>. Constitution and properties of <a href="/facts/Matter/osyc04UN">matter</a> including <a href="/facts/Molecular_physics/ArRhIjdY">molecular physics</a>, <a href="/facts/Theory_of_relativity/qGHj3eTC">relativity</a>, <a href="/facts/Quantum_mechanics/BRc3Mzgr">quantum theory</a> and <a href="/facts/Solid_state_physics/Cmc6hvyR">solid state physics</a> 221-246...........<a href="/facts/Acoustics/2GpQUymy">Acoustics</a>. <a href="/facts/Sound/DlKXlPuF">Sound</a> 251-338.5.........<a href="/facts/Heat/FjDGssCs">Heat</a> 310.15-319.......<a href="/facts/Thermodynamics/q4hIx3yP">Thermodynamics</a> 350-467...........<a href="/facts/Optics/p0vq4S1T">Optics</a>. <a href="/facts/Light/jeofpMn4">Light</a> 450-467..........<a href="/facts/Spectroscopy/mj71FuNK">Spectroscopy</a> 474-496.9.........<a href="/facts/Radiation_physics/080AtWpP">Radiation physics</a> (General) 501-766...........<a href="/facts/Electromagnetism/oAkmALHT">Electricity and magnetism</a> 501-721..........<a href="/facts/Electricity/hNC8D65W">Electricity</a> 669-675.8.......<a href="/facts/Electromagnetic_theory/oAkmALHT">Electromagnetic theory</a> 676-678.6.......<a href="/facts/Radio_waves/XmB6WPpF">Radio waves</a> (Theory) 680.............<a href="/facts/Quantum_Electrodynamics/zPteAr6G">Quantum Electrodynamics</a> 701-715.4.......<a href="/facts/Electric_discharge/06wCdIrV">Electric discharge</a> 717.6-718.8.....<a href="/facts/Plasma_physics/1d3btMVU">Plasma physics</a>. <a href="/facts/Ionized_gases/1d3btMVU">Ionized gases</a> 750-766..........<a href="/facts/Magnetism/eo75vApl">Magnetism</a> 770-798...........<a href="/facts/Nuclear_physics/fzQbt1aF">Nuclear</a> and <a href="/facts/Particle_physics/YgIuyj2t">particle physics</a>. <a href="/facts/Nuclear_power/jzSyvxSn">Atomic energy</a>. <a href="/facts/Radioactivity/Ya6FVjt4">Radioactivity</a> 793-793.5........<a href="/facts/Elementary_particle/CTFDM97U">Elementary particle physics</a> 794.95-798.......<a href="/facts/Radioactivity/Ya6FVjt4">Radioactivity</a> and radioactive substances 801-809...........<a href="/facts/Geophysics/ywVQ1sAQ">Geophysics</a>. <a href="/facts/Cosmic_physics/ww4ChbEq">Cosmic physics</a> 811-849...........<a href="/facts/Geomagnetism/73G36wmx">Geomagnetism</a> 851-999...........<a href="/facts/Meteorology/xblFr28q">Meteorology</a>. <a href="/facts/Climatology/bYS7FktY">Climatology</a> (including the Earth's atmosphere) 974.5-976........<a href="/facts/Meteorological_optics/WjvXKsNE">Meteorological optics</a> 980-999..........<a href="/facts/Climatology/bYS7FktY">Climatology</a> and <a href="/facts/Weather/f0qzFRVV">weather</a> 994.95-999......<a href="/facts/Weather_forecasting/nzqyMFCa">Weather forecasting</a> <h2 id="qd---chemistry">QD - <a href="/facts/Chemistry/SrNqkGVm">Chemistry</a></h2> 1-999..............<a href="/facts/Chemistry/SrNqkGVm">Chemistry</a> 1-65..............General (including <a href="/facts/Alchemy/CEx0U1Em">alchemy</a>) 71-142............<a href="/facts/Analytical_chemistry/MHQf3YP6">Analytical chemistry</a> 146-197...........<a href="/facts/Inorganic_chemistry/ErD6ypnb">Inorganic chemistry</a> 241-441...........<a href="/facts/Organic_chemistry/djxhxaNg">Organic chemistry</a> 415-436..........<a href="/facts/Biochemistry/fa2pWEBp">Biochemistry</a> 450-801...........<a href="/facts/Physical_chemistry/WqwnJjRM">Physical</a> and <a href="/facts/Theoretical_chemistry/uqcyS5KH">theoretical chemistry</a> 625-655..........<a href="/facts/Radiation_chemistry/fGP5Vqqd">Radiation chemistry</a> 701-731..........<a href="/facts/Photochemistry/GsXNBWon">Photochemistry</a> 901-999...........<a href="/facts/Crystallography/9B5toeqG">Crystallography</a> <h2 id="qe---geology">QE - <a href="/facts/Geology/WGvVRIYF">Geology</a></h2> 1-996.5............<a href="/facts/Geology/WGvVRIYF">Geology</a> 1-350.62..........General (including geographical divisions) 351-399.2.........<a href="/facts/Mineralogy/MeIK9lx9">Mineralogy</a> 420-499...........<a href="/facts/Petrology/RXq9gCdo">Petrology</a> 500-639.5.........Dynamic and <a href="/facts/Structural_geology/e6tGSc6K">structural geology</a> 521-545..........<a href="/facts/Volcano/c2M5upml">Volcanoes</a> and <a href="/facts/Earthquake/NGjIzagw">earthquakes</a> 601-613.5........<a href="/facts/Structural_geology/e6tGSc6K">Structural geology</a> 640-699...........<a href="/facts/Stratigraphy/o3J6Ij3R">Stratigraphy</a> 701-760...........<a href="/facts/Paleontology/60n5yldd">Paleontology</a> 760.8-899.2.......<a href="/facts/Paleozoology/8RJzYMWp">Paleozoology</a> 901-996.5.........<a href="/facts/Paleobotany/zWsaRMUe">Paleobotany</a> <h2 id="qh---natural-history--biology">QH - <a href="/facts/Natural_history/pSlAvbTX">Natural history</a> - <a href="/facts/Biology/1M1ee3pB">Biology</a></h2> 1-278.5............<a href="/facts/Natural_history/pSlAvbTX">Natural History</a> (General) 1-199.5...........General (including <a href="/facts/Conservation_biology/S2693mIF">nature conservation</a>, geographical distribution) 201-278.5.........<a href="/facts/Microscopy/GpHlElDS">Microscopy</a> 301-705.5..........<a href="/facts/Biology/1M1ee3pB">Biology</a> (General) 359-425...........<a href="/facts/Evolution/Hj0qAaBk">Evolution</a> 426-470...........<a href="/facts/Genetics/bu8wne0A">Genetics</a> 471-489...........<a href="/facts/Reproduction/nNu0F5Dy">Reproduction</a> 501-531...........<a href="/facts/Life/DNw7NUId">Life</a> 540-549.5.........<a href="/facts/Ecology/YE8upuJU">Ecology</a> 573-671...........<a href="/facts/Cell_biology/kdIBGHub">Cytology</a> 705-705.5.........Economic biology <h2 id="qk---botany">QK - <a href="/facts/Botany/PaIRoxnb">Botany</a></h2> 1-989..............<a href="/facts/Botany/PaIRoxnb">Botany</a> 1-474.5...........General (including geographical distribution) 474.8-495.........<a href="/facts/Spermatophyta/MQBG4KEw">Spermatophyta</a>. <a href="/facts/Phanerogam/MQBG4KEw">Phanerogams</a> 494-494.5........<a href="/facts/Gymnosperm/lzcpfbUK">Gymnosperms</a> 495..............<a href="/facts/Angiosperm/E5eGYIvY">Angiosperms</a> 504-638...........<a href="/facts/Cryptogams/M09JIxcs">Cryptogams</a> 640-707...........<a href="/facts/Plant_anatomy/JXMPxsda">Plant anatomy</a> 710-899...........<a href="/facts/Plant_physiology/zAh2o1Ao">Plant physiology</a> 900-989...........<a href="/facts/Plant_ecology/2BXY9GeC">Plant ecology</a> <h2 id="ql---zoology">QL - <a href="/facts/Zoology/6Kj13mBt">Zoology</a></h2> 1-991..............<a href="/facts/Zoology/6Kj13mBt">Zoology</a> 1-355.............General (including geographical distribution) 360-599.82........<a href="/facts/Invertebrate/3CyqCVnN">Invertebrates</a> 461-599.82.......<a href="/facts/Insect/IgDNvnUL">Insects</a> 605-739.8.........<a href="/facts/Chordate/AldL6ARm">Chordates</a>. <a href="/facts/Vertebrate/tT54FSTT">Vertebrates</a> 614-639.8........<a href="/facts/Fish/fln4gH9V">Fishes</a> 640-669.3........<a href="/facts/Reptile/04n1uKf1">Reptiles</a> and <a href="/facts/Amphibia/r2BleD2W">amphibians</a> 671-699..........<a href="/facts/Bird/RJF6zwLP">Birds</a> 700-739.8........<a href="/facts/Mammal/phSwTzBo">Mammals</a> 750-795...........<a href="/facts/Ethology/dM3CpysA">Animal behavior</a> 791-795..........Stories and anecdotes 799-799.5.........<a href="/facts/Morphology_(biology)/Nl3B0myy">Morphology</a> 801-950.9.........<a href="/facts/Anatomy/p8TCWJuV">Anatomy</a> 951-991...........<a href="/facts/Embryology/4mvpSkhC">Embryology</a> <h2 id="qm---human-anatomy">QM - <a href="/facts/Human_anatomy/WP1QbDTn">Human anatomy</a></h2> 1-695..............<a href="/facts/Human_anatomy/WP1QbDTn">Human anatomy</a> 1-511.............General 531-549...........Regional anatomy 550-577.8.........Human and comparative <a href="/facts/Histology/yrI90zlU">histology</a> 601-695...........Human <a href="/facts/Embryology/4mvpSkhC">embryology</a> <h2 id="qp---physiology">QP - <a href="/facts/Physiology/fh25y2pQ">Physiology</a></h2> 1-981..............<a href="/facts/Physiology/fh25y2pQ">Physiology</a> 1-345.............General (including influence of the environment) 351-495...........<a href="/facts/Neurophysiology/XLkEyW8c">Neurophysiology</a> and <a href="/facts/Neuropsychology/eWY83ago">neuropsychology</a> 501-801...........Animal <a href="/facts/Biochemistry/fa2pWEBp">biochemistry</a> 901-981...........Experimental <a href="/facts/Pharmacology/4Rx8s7Ie">pharmacology</a> <h2 id="qr---microbiology">QR - <a href="/facts/Microbiology/k7udsq81">Microbiology</a></h2> 1-502..............<a href="/facts/Microbiology/k7udsq81">Microbiology</a> 1-74.5............General 75-99.5...........<a href="/facts/Bacteria/wC8xSCsU">Bacteria</a> 99.6-99.8.........<a href="/facts/Cyanobacteria/S8bKxIU9">Cyanobacteria</a> 100-130...........<a href="/facts/Microbial_ecology/LYtxfSaC">Microbial ecology</a> 171...............<a href="/facts/Microorganisms/pysJYcE2">Microorganisms</a> in the animal body 180-198.5.........<a href="/facts/Immunology/vylm0L8e">Immunology</a> 355-502...........<a href="/facts/Virology/doDESmsB">Virology</a> <h2 id="further-reading">Further reading</h2> <ul><li><a href="https://www.loc.gov/aba/publications/FreeLCC/freelcc.html">Full schedule of all LCC Classifications</a></li> <li><a href="https://www.loc.gov/aba/cataloging/classification/lcco/">List of all LCC Classification Outlines</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Library of Congress Classification Outline: Class Q - Science" (PDF). Library of Congress. 2019-05-01. Retrieved 2021-10-27. <a href="https://www.loc.gov/aba/cataloging/classification/lcco/lcco_q.pdf" target="_blank">https://www.loc.gov/aba/cataloging/classification/lcco/lcco_q.pdf</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Library of Congress Classification Full Text: Class Q - Science" (PDF). Library of Congress. 2019-05-01. Retrieved 2021-10-27. <a href="https://www.loc.gov/aba/publications/FreeLCC/Q-text.pdf" target="_blank">https://www.loc.gov/aba/publications/FreeLCC/Q-text.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> </ol>