Michigan State University

Library of Congress Science Classifications: Library of Congress Science Classifications

Page Coordinator: Melissa Yost myost@kbs.msu.edu Last updated: 04-21-2010

Library of Congress Science Classifications

Q - Science

  • 1-295.................General
    300-385............Cybernetics

QA - Mathematics

  • 1-99...................General
    101-145............Arithmetic
    150-272............Algebra
    273-280............Probabilities - Mathematical statistics
    299.6-433.........Analysis
    440-699...........Geometry. Trigonometry. Topology
    801-939...........Analytic mechanics

QB - Astronomy

  • 1-139.................General
    140-237............Practical and spherical astronomy
    275-343............Geodesy
    349-421............Theoretical Astronomy and celestial mechanics
    460-466............Astrophysics
    468-480............Non-optical methods of astronomy
    495-903............Descriptive astronomy (incl. Solar system)
    980-991............Cosmogony Cosmology

QC - Physics

  • 1-75........................General
    81-114....................Weights and measures
    120-168.86............Descriptive and experimental mechanics
    170-197..................Atomic physics. Constitution and properties of matter
    221-246..................Acoustics. Sound
    251-338.5..............Heat (incl. Thermodynamics)
    350-467.................Optics. Light (incl. Spectroscopy)
    474-496.9..............Radiation physics
    501-766.................Electricity and magnetism
    770-798.................Nuclear and particle physics. Atomic enegry
    801-809.................Geophysics. Cosmic physics
    811-849.................Geomagnetism
    851-999.................Meteorology. Climatology

QD - Chemistry

  • 1-65........................General
    71-142....................Analytical chemistry
    146-197.................Inorganic chemistry
    241-441.................Organic chemistry
    450-731.................Physical and theoretical chemistry
    901-999.................Crystallography

QE - Geology

  • 1-350.62....................General
    351-399.2..................Mineralogy
    420-499.....................Petrology
    500-639.5..................Dynamic ad structural geology (incl. Volcanoes and Earthquakes)
    640-699.....................Stratigraphy
    701-996.5..................Paleontology (incl. Paleozoology and Paleobotany

QH - Natural History and Biology

  • 1-199.5........................General (incl. Nature conservation)
    201-278.5...................Microscopy
    301.705.......................Biology
    359-425.......................Evolution
    426-470.......................Genetics
    540-559.......................Ecology
    573-671.......................Cytology

QK - Botany

  • 1-474.5........................General
    474.8-495...................Spermatophyta Phanerogams (incl. Gymnosperms and Angiosperms)
    504-638.......................Cryptograms
    640-707.......................Plant anatomy
    710-899.......................Plant physiology
    900-989.......................Plant ecology

QL - Zoology

  • 1-355........................General
    362-599-82..............Invertebrates
    605-739.3................Chordates. Vertebrates
    750-795....................Animal behavior
    799............................Morphology
    801-950.9.................Anatomy
    951-991....................Embryology

QM - Human Anatomy



QP - Physiology



QR - Microbiology

  • 1-74........................General
    75-99.5..................Bacteria
    180-189.5..............Immunology
    355-502.................Virology

S - Agriculture

  • 590-599........................Soils

SB - Horticulture, Field Crops, Pests & Diseases



SD - Forestry



SF - Animal Husbandry & Breeding



SH - Aquaculture & Fisheries



T - Technology



TD - Environmental Technology, Environmental Protection, Pollution



TP - Chemical Technology

 
 

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