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Library of Congress Classification System for the Sciences

Most of the materials in the College of Wooster libraries are cataloged by subject using the Library of Congress Classification System. Each item is assigned a unique call number and is placed on the shelves so that the materials dealing with the same subject are shelved together. This system is very useful for browsing. Once you become familiar with the LC classification system, you can locate the call number range for your area of interest using the outline below, and browse for relevant materials. The following table provides a listing of Library of Congress subject classifications that are relevant to the sciences.

Alphabetical Listing of Library of Congress Subjects

Aeronautics — TL | Agriculture (General) — S | Angling — SH | Animal culture — SF | Aquaculture — SH
Astronautics — TL | Astronomy — QB | Biology (General) — QH | Botany — QK | Botanic medicine — RV
Cartography — GA | Chemical technology — TP | Chemistry — QD | Dentistry — RK | Dermatology — RL
Electrical engineering — TK | Electronics — TK | Engineering (General) — TA | Environmental sciences — GE
Environmental technology — TD | Fisheries — SH | Forestry — SD | Geography — G | Geology — QE
Gynecology and obstetrics — RG | Homeopathy — RX | Human anatomy — QM | Hunting — SK
Internal medicine — RC | Mathematical geography — GA | Mathematics — QA | Mechanical engineering — TJ
Medicine — R | Metallurgy — TN | Microbiology — QR | Mining engineering — TN | Motor vehicles — TL
Natural history (General) — QH | Nuclear engineering — TK | Nursing — RT | Oceanography — GC
Ophthalmology — RE | Other systems of medicine — RZ | Otorhinolaryngology — RF | Pathology — RB
Pediatrics — RJ | Pharmacology — RM | Pharmacy and Materia Medica — RS | Physical geography — GB
Physics — QC | Physiology — QP | Plant culture — SB | Public aspects of medicine — RA | Science (General) — Q
Sanitary engineering — TD | Surgery — RD | Technology (General) — T | Therapeutics — RM | Zoology — QL

G 1-9980
  575-890
  1000.3-3122
  3160-3182
  3190-9980
Geography
 
Polar Regions
  Atlases
  Globes
  Maps
GA 1-1776 Mathematical Geography. Cartography
GB 3-5030
  400-649
  651-2998
  5000-5030
Physical Geography
  Geomorphology
  Hydrogeology. water, including ground water, rivers, lakes, glaciers
  Natural Disasters
GC 1-1581 Oceanography
GE 1-199 Environmental Sciences
Q 1-385
  300-385
Science (General)
  Cybernetics. Information theory
QA 1-939
  9-10.3
  75.5-76.95
  101-141.8
  150-272
  273-274.76
  276-280
  297-299.4
  299.6-433
  440-699
  611-614.97
  801-939
 
Mathematics
 
Mathematical logic
  Computer science. Electronic data processing
  Elementary mathematics. Arithmetic
  Algebra, including machine theory, game theory
  Probabilities
  Mathematical statistics
  Numerical analysis
  Analysis, including analytical methods connected with physical problems
  Geometry
  Topology
  Analytic mechanics
For non-theorectical mechanics, see QC120+
QB 1-991
 140-237
 275-343
 349-421
 460-465
 468-497
 500-991
Astronomy
  Practical and spherical astronomy
  Geodesy
  Theoretical astronomy and celestial mechanics, including tides
  Astrophysics
  Non-optical methods of astronomy
  Descriptive astronomy, including stellar spectroscopy
QC 1-999
 81-114
 120-168
 170-197

 220-246
 251-338
 350-467
 474-496
 501-766
 770-798
 801-809
 811-849
 851-999
Physics
  Weights and measures
  Descriptive and experimental mechanics
  Atomic physics. Constitution and properties of matter, including quantum
    theory, solid state physics
  Acoustics, sound
  Heat
  Optics. Light, including spectroscopy
  Radiation physics (General)
  Electricity and magnetism
  Nuclear and particle physics. Atomic energy. Radioactivity.
  Geophysics. Cosmic physics
  Geomagnetism
  Meterology. Climatology
QD 1-999
 23.3-26.5
 71-142
 146-197
 241-441
 450-731


 901-999
Chemistry
 
Alchemy
  Analytical chemistry
  Inorganic chemistry
  Organic chemistry
  Physical and theoretical chemistry, including quantum chemistry, stereochemistry,
    chemical reactions, surface chemistry, thermochemistry, solution chemistry,
    electrochemistry, radiochemistry, radiation chemistry, photochemistry
  Crystallography
QE 1-996.5
 351-399.2
 420-499
 500-625
 640-699
 701-996.5
Geology
 
Minerology
  Petrology
  Dynamic and structural
  Stratigraphic geology
  Paleontology, including paleozoology and paleobotany
QH
1-278.5
  75-77
  201-278.5
301-705
  351
  365
  426-470
  471-489
  501-531
  540-549
  573-671
  705
Natural History. Biology
  Natural history (General)
    Nature conservation, Landscape protection
    Microscopy
  Biology (General)
    Morphology
    Works of Darwin
    Genetics
    Reproduction
    Life
    Ecology, including general and animal ecology
    Cytology
    Economic biology
QK 1-989
  640-673
  710-899
  900-98
Botany
 
Plant anatomy
  Plant physiology
  Plant ecology
QL 1-991
  76-79
  81-84
  360-600
  605-739
  750-795
  799
  801-950.9
  951-991
Zoology
 
Zoos and aquariums
  Wildlife conservation and reintroduction
  Invertebrates
  Chordates. Vertebrates
  Animal behavior and psychology
  Morphology
  Anatomy
  Embryology
QM 1-695
 601-695
Human Anatomy
 
Human embryology
QP 1-981
  351-495
  501-801
 
901-981
Physiology
 
Neurophysiology. Neuropsychology
  Animal biochemistry
  Experimental pharmacology
QR 1-500
  75-99
  180-189.5
  355-500
Microbiology
 
Bacteria
  Immunology
  Virology
R 5-920 Medicine
RA 1-1270
  791-954
  1001-1171
  1190-1270
Public aspects of medicine
  Medical geography. Medical climatology and meteorology
  Forensic medicine
  Toxicology
RB 1-214 Pathology
RC 31-1245
 
  86-88.9
  321-571
  952-954.6
  955-962
  963-969
  970-1015
  1030-1160
  1200-1245
Internal medicine. Practice of medicine, including diagnosis, individual
    diseases and special types of diseases, diseases of systems or organs
  First aid in illness and injury
  Neurology and psychiatry
  Geriatrics
  Arctic and tropical medicine
  Industrial medicine
  Military medicine
  Transportation medicine, including automotive, aviation and space medicine
  Sports medicine
RD 1-911
  92-97.8
  701-811
Surgery
  Wounds and injuries
  Orthopedics
RE 1-994 Ophthalmology
RF 1-547 Otorhinolaryngology
RG 1-991 Gynecology and obstetrics
RJ 1-570 Pediatrics
RK 1-715 Dentistry
RL 1-803 Dermatology
RM 1-931
  214-258
  270-282
  283-298
  300-666
  695-890
  845-862  
Theraputics. Pharmacology
  Diet therapy. Diet and dietetics in disease
  Serum therapy. Immunotherapy
  Endocrinotherapy
  Drugs and their action
  Physical medicine. Physical therapy
  Medical radiology
RS 1-441 Pharmacy and Materia Medica
RT 1-120 Nursing
RV 1-431 Botanic, Thomsonian and eclectic medicine
RX 1-681 Homeopathy
RZ 201-999
  201-275
  301-397.5
  400-408
Other systems of medicine
  Chiropractic
  Osteopathy
  Mental healing
S 1-954 Agriculture (General)
SB 1-1110 Plant culture
SD 1-668 Forestry
SF 1-1110 Animal culture
SH 1-691 Aquaculture. Fisheries. Angling
SK 1-579
  351-579
Hunting
  Wildlife management. Game protection
T 1-995
  201-342
Technology (General)
  Patents. Trademarks
TA 1-2040
  166-167
  168
  501-625
  1501-1820
Engineering (General)
  Human engineering
  Systems engineering
  Surveying
  Applied optics. Lasers, including applied holography, optical data processing
TD 1-949
  169-171.5
  172-196
  201-500
  878-984
Environmental technology. Sanitary engineering
 
Environmental protection
  Environmental pollution
  Water supply, domestic, industrial
  Special types of pollution, including soil, air, noise pollution
TJ 1-1570 Mechanical engineering
TK 1-9971
  5101-6720
  7800-8360
  7885-7895
Electrical engineering. Electronics. Nuclear engineering
  Telecommunications
  Electronics
  Computer engineering
TL 1-4050 Motor vehicles. Aeronautics. Astronautics
TN 1-997 Mining Engineering. Metallurgy, including the mineral industries
TP 1-1185
  155-156
  200-248
  316-360
  368-456
  500-660
  690-692.4
  1080-1185
Chemical technology
 
Chemical engineering
  Manufacturing and use of chemicals
  Fuels
  Food processing and manufacturing
  Fermentation industry
  Petroleum refining and products
  Polymers, plastics and their manufacture
Timken Science Library • 410 East University Street • Wooster, Ohio 44691 • 330-263-2079
Last updated: November 15, 2007
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