# A Science

<table><thead><tr><th width="128">A</th><th>Science</th></tr></thead><tbody><tr><td>AAB</td><td>Philosophy of Science; Philosophy and Medicine; Medical Philosophy</td></tr><tr><td><strong>AB</strong></td><td><strong>Science</strong></td></tr><tr><td>AB.11</td><td>Egyptian Science</td></tr><tr><td>AB.AA1</td><td>Greek Science</td></tr><tr><td>AB.AA2</td><td>Arabian science</td></tr><tr><td>AB.AS</td><td>Scientific Societies</td></tr><tr><td>ABB</td><td>Scientific Method; Experimentation</td></tr><tr><td>ABD</td><td>Scientific Research</td></tr><tr><td>ABE</td><td>Science Laboratories</td></tr><tr><td>ABF</td><td>Scientific Instruments and Apparatus <mark style="background-color:red;">(use this and NOT AB.AU)</mark></td></tr><tr><td>ABH</td><td>Scientific Discoveries and Inventions</td></tr><tr><td>ABH.RI</td><td>Household Appliances</td></tr><tr><td>ABP</td><td>Religion and Science</td></tr><tr><td>ABPJ</td><td>Jews and Science</td></tr><tr><td>ABPQ</td><td>Quakers and Science</td></tr><tr><td>ABQ</td><td>Literature and Science</td></tr><tr><td>ABR</td><td>Politics and Science</td></tr><tr><td>ABV</td><td>Scientific Hoaxes</td></tr><tr><td>ABVW</td><td>Telepathy</td></tr><tr><td><strong>AC</strong></td><td><strong>Engineering; Technology</strong></td></tr><tr><td><strong>AD</strong></td><td><strong>Mathematics</strong></td></tr><tr><td>ADA</td><td>Arithmetic</td></tr><tr><td>ADAN</td><td>Theory of Numbers</td></tr><tr><td>ADC</td><td>Algebra</td></tr><tr><td>ADE</td><td>Analysis</td></tr><tr><td>ADG</td><td>Geometry</td></tr><tr><td>ADJ</td><td>Mensuration; Surveying; Trigonometry</td></tr><tr><td>ADJW</td><td>Weights and Measures</td></tr><tr><td>ADM</td><td>Statistics</td></tr><tr><td>ADT</td><td>Calculators; Computers</td></tr><tr><td>ADTI</td><td>Internet</td></tr><tr><td><strong>AF</strong></td><td><strong>Physical Sciences</strong></td></tr><tr><td>AF.AM</td><td>Theory of Relativity</td></tr><tr><td>AFB</td><td>Physics; Quantum Theory</td></tr><tr><td>AFD</td><td>Mechanics</td></tr><tr><td>AFF</td><td>Dynamics</td></tr><tr><td>AFH</td><td>Energy; Matter; Atomic Physics</td></tr><tr><td>AFJ</td><td>Radiation and Radioactivity</td></tr><tr><td>AFL</td><td>Heat</td></tr><tr><td>AFN</td><td>Light; Optics</td></tr><tr><td>AFO</td><td>Electricity; Electromagnetism; Magnetism</td></tr><tr><td>AFR</td><td>Electrical Engineering; Electrical Communications</td></tr><tr><td>AFT</td><td>Acoustics; Sound</td></tr><tr><td>AFV</td><td>Hydraulics; Hydromechanics</td></tr><tr><td>AFW</td><td>Pneumatics</td></tr><tr><td>AFX</td><td>Aerodynamics; Aviation</td></tr><tr><td>AHA</td><td>Alchemy</td></tr><tr><td>AHB</td><td>Chemistry; Dyeing</td></tr><tr><td>AHC</td><td>Chemistry, Physical</td></tr><tr><td>AHCB</td><td>Atomic Theory; Polymers</td></tr><tr><td>AHCD</td><td>Distillation</td></tr><tr><td>AHG</td><td>Analytical chemistry</td></tr><tr><td>AHGE</td><td>Reagents; Chemical Tests</td></tr><tr><td>AHGF</td><td>X-Ray Analaysis</td></tr><tr><td>AHGX</td><td>Chemical Synthesis</td></tr><tr><td>AHH</td><td>Crystallography; Metallurgy; Mineralogy</td></tr><tr><td>AHI</td><td>Inorganic chemistry</td></tr><tr><td>AHJAJ</td><td>Phosphorus</td></tr><tr><td>AHK</td><td>Metals - Chemical Aspects</td></tr><tr><td>AHO</td><td>Organic Chemistry</td></tr><tr><td>AHT</td><td>Applied Chemistry; Industrial Chemistry; Chemical Industry</td></tr><tr><td>AHT.L</td><td>Gunpowder</td></tr><tr><td><strong>AJ</strong></td><td><strong>Astrology and Astronomy</strong></td></tr><tr><td>AJA</td><td>Astrology</td></tr><tr><td>AJB</td><td>Astronomy</td></tr><tr><td>AJB.AUA</td><td>Astrolabes</td></tr><tr><td>AJC</td><td>Astrophysics; Cosmology; Stars</td></tr><tr><td>AJF</td><td>Sun</td></tr><tr><td>AJH</td><td>Solar System; Planets</td></tr><tr><td>AJJ</td><td>Comets</td></tr><tr><td>AJT</td><td>Time</td></tr><tr><td>AJTC</td><td>Calendars</td></tr><tr><td>AJTD</td><td>Clocks; Watches</td></tr><tr><td><strong>AK</strong></td><td><strong>Geology</strong></td></tr><tr><td>AKC</td><td>Historical Geography; Physical Geology</td></tr><tr><td>AKE</td><td>Palaeontology; Fossils</td></tr><tr><td>AKEB</td><td>Palaeobotany</td></tr><tr><td>AKM</td><td>Meteorology</td></tr><tr><td>AKOB</td><td>Palaeobiology</td></tr><tr><td><strong>AL</strong></td><td><strong>Oceanography; Tides</strong></td></tr><tr><td><strong>AN</strong></td><td><strong>Natural History</strong></td></tr><tr><td>AN.AI</td><td>Natural Curiosities</td></tr><tr><td>ANA</td><td>Geographical Distribution</td></tr><tr><td>ANM</td><td>Microscopy; Microtomy</td></tr><tr><td>ANMP</td><td>Electronmicroscope; Photomicrograph</td></tr><tr><td>ANMS</td><td>Staining</td></tr><tr><td><strong>AO</strong></td><td><strong>Biology</strong></td></tr><tr><td>AOB</td><td>Mechanistic Theory; Vitalism</td></tr><tr><td>AOC</td><td>Animal experiments; Experimental Biology; Human Experiments; Vivisection</td></tr><tr><td>AOD</td><td>Biotechnology</td></tr><tr><td>AOF</td><td>Marine Biology</td></tr><tr><td>AOM</td><td>Growth and Form; Morphology; Organography</td></tr><tr><td>AOS</td><td>Evolution; Descent of Man</td></tr><tr><td>AOT</td><td>Genetics; Heredtity; Chromosomes</td></tr><tr><td>AOV</td><td>Molecular Biology</td></tr><tr><td>AOX</td><td>Ecology; Environment</td></tr><tr><td>APBC</td><td>Catholics and Science</td></tr><tr><td><strong>AQ</strong></td><td><strong>Botany</strong></td></tr><tr><td>AQ.AL</td><td>Botanical Illustration</td></tr><tr><td>AQ.F</td><td>Ecology, Botanical</td></tr><tr><td>AQ.P</td><td>Phytopathology</td></tr><tr><td>AQE</td><td>Botanical Gardens</td></tr><tr><td>AQG</td><td>Cryptogams</td></tr><tr><td>AQN</td><td>Phanerogams</td></tr><tr><td>AQO</td><td>Flowers</td></tr><tr><td>AQT</td><td>Grasses</td></tr><tr><td>AQU</td><td>Botanical Physiology</td></tr><tr><td>AQUD</td><td>Photosynthesis</td></tr><tr><td>AQV</td><td>Plant Dispersal</td></tr><tr><td>AQW</td><td>Pollen</td></tr><tr><td><strong>AS</strong></td><td><strong>Zoology</strong></td></tr><tr><td>AS.AI</td><td>Bestiaries</td></tr><tr><td>AS.CZU</td><td>Unicorn</td></tr><tr><td>ASD</td><td>Protozoa, Zoology</td></tr><tr><td>ASK</td><td>Shells</td></tr><tr><td>ASL</td><td>Arthropoda; Insects; Entomology</td></tr><tr><td>ASR</td><td>Insecta</td></tr><tr><td>ASRB</td><td>Lepidoptera</td></tr><tr><td>ASS</td><td>Chordata; Vertebrata</td></tr><tr><td>ASSB</td><td>Fish</td></tr><tr><td>ASSL</td><td>Snakes</td></tr><tr><td>ASSP</td><td>Birds; Ornithology</td></tr><tr><td>AST</td><td>Mammalia</td></tr><tr><td>ASTU</td><td>Hunting</td></tr><tr><td>ASTW</td><td>Apes; Primates</td></tr><tr><td><strong>AT</strong></td><td><strong>Agriculture; Beekeeping</strong></td></tr><tr><td>ATBE</td><td>Agricultural Chemistry</td></tr><tr><td>ATBS</td><td>Fertilizers; Manures</td></tr><tr><td>ATD</td><td>Economic Botany</td></tr><tr><td>ATG</td><td>Gardening; Horticulture</td></tr><tr><td>ATI</td><td>Forestry</td></tr><tr><td>ATW</td><td>Fish Culture; Fisheries</td></tr></tbody></table>