| Class Number |
Subject |
Collecting Level |
| Q |
Science |
|
| Q 1-227 |
Science
(general). |
Study |
| Q 10-99 |
Publications
of Academic and learned societies are acquired when
such publications contain sections in the fields
of science related to agriculture, such as botany,
zoology. |
Res |
| Q 295-395 |
System
Theory. Cybernetics. Information Theory |
Basic |
| QA |
Mathematics. |
Basic |
| QA 76-76.8 |
Electronic
computers. Computer science |
Basic |
| QA 76.9.C65 |
Computer
simulation. |
Study |
| QA 402-402.3 |
System
analysis. Control theory. |
Basic |
| QC |
Physics |
Back to Top |
| QC 1,5 |
Physics.
Periodicals, societies, etc. Dictionaries. |
Study |
| QC 20 |
Mathematical
physics. |
Basic |
| QC 21 |
Physics.
General works. Recent treatises, advanced text books. |
Study |
| QC 51 |
Laboratories. |
Study |
| QC 53 |
Instruments
and apparatus. |
Study |
| QC 73-73.8 |
Force and
energy (general). |
Study |
| QC 81-114 |
Weights
and measures. |
Basic |
| QC 120-168 |
Descriptive
and experimental mechanics. |
Basic |
| QC 170-197 |
Atomic
physics. Constitution and properties of matter. |
Min |
| QC 220-246 |
Acoustics.
Sound. |
Basic |
| QC 251-338 |
Heat |
Basic |
| QC 350-449.5 |
Optics.
Light. |
Study |
| QC 501-766 |
Electricity
and magnetism. |
Study |
| QC 851-999 |
Meteorology.
Exception: Topics related to agriculture collected
comprehensively, e.g., QC 929.D5, Dew formation;
QC 929.F8, Forest influences; QC 958, Dust storms.
Weather trends, such as QC 903, Atmospheric temperature.
Variations, collected at the research level. |
Study
Com
Res |
| QD |
Chemistry |
Back to Top |
| QD 1-23 |
General. Periodicals,
societies, encyclopedias, dictionaries, directories.
Exception: QD 11-18, History and QD 21-22, Biography
collected at the study level. |
Res
Study |
| QD 51-54 |
Laboratories. |
Study |
| QD 61-63 |
Laboratory
technique and special operations. |
Res |
| QD 65-66 |
Pocketbooks,
tables, etc. Dictionaries of solubilities. |
Res |
| QD 71-142 |
Analytical
chemistry. |
Res |
| QD 146-199 |
Inorganic
chemistry. |
Res |
| QD 241-449 |
Organic chemistry. |
Res |
| QD 450-731 |
Physical and
theoretical chemistry. |
Res |
| QD 901-999 |
Chrystallography. |
Study |
| QE |
Geology |
Back to Top |
| QE 1,5,7 |
Periodicals,
societies, congresses; dictionaries and encyclopedias;
nomenclature, terminology. |
Basic |
| QE 33.2 |
Aerial
photography, artificial satellites, remote sensing
- in geology. |
Study |
| QE 37 |
Agricultural
geology. |
Com |
| QE 50 |
Collecting
and preservation. |
Basic |
| QE 52 |
Handbooks,
tables, etc. |
Study |
| QE
65-350 |
Geographical
divisions, emphasis on U.S.
works relating to soils, surface rocks, soil formation,
hydrology, water resources. |
Res |
| QE 351-366 |
Minerology,
general. |
Basic |
| QE 420-440 |
Petrology,
general. |
Min |
| QE 471.3, 472 |
Clay. Sedimentary
structures. |
Study |
| QE 515 |
Geochemistry,
general. |
Study |
| QE 570 |
Weathering. |
Basic |
| QE 571-599 |
Sedimentation. |
Study |
| QE 625 |
Effects
of plants and animals in geology. |
Study |
| QE 701-760 |
Paleontology. |
Study |
| QE 817.I8 |
Paleozoology.
Isopods, terrestrial only (sowbugs, pillbugs, etc.) |
Com |
| QE 825-832 |
Paleozoology.
Arachnida. Myriapoda. Insects. |
Com |
| QE 901-996 |
Paleobotany. |
Com |
| QH |
Natural History |
Back to Top |
| QH 1-199 |
National history
(general). |
Study |
| QH 11 |
Voyages and
expeditions, when containing much on botany, zoology,
or other subjects within scope. |
Res |
| QH 43-44 |
Works of Linnaeus
and Linnaeana. |
Res |
| QH 91-91.8 |
Marine biology.
|
Res |
| QH 201-278 |
Miscroscopy. |
Res |
| QH 301-314 |
General biology. |
Res |
| QH 305-306 |
History. Early
works. |
Basic |
| QH 308.5, 309 |
Elementary
textbooks, popular works. |
Min |
| QH 315-320 |
Biology. Study
and teaching. Research. |
Basic |
| QH 321-323 |
Biological
laboratories and stations. |
Res |
| QH 323.5 |
Biometry.
Biomathematics. |
Res |
| QH 324 |
Methods of
research. Technique. |
Res |
| QH 325,327,331-332 |
Origin and
beginning of life; space biology; philosophy of
biology; bioethics. |
Study |
| QH 333-351 |
Social aspects
of biology, nature of life; comparison of plants
and animals; morphology; general biochemistry. |
Res |
| QH 359-425 |
Evolution. |
Study |
| QH 401-425 |
Variation,
hybridization. |
Res |
| QH 426-531 |
Genetics.
Reproduction. Molecular biology. Biophysics. |
Res |
| QH 540-549 |
Ecology, including
Remote sensing.
Exception: involving plants, as QH 541.F6, Forest
or QH 545.P4, Pesticide residues, collected comprehensively. |
Res
Com |
| QH 573-671 |
Cytology. |
Res |
| QH 705 |
Economic biology. |
Com |
| QK |
Botany |
Back to Top |
| QK 1-63 |
Botany (general). |
Com |
| QK 71-79 |
Botanical
gardens. Herbariums. Laboratories. |
Res |
| QK 81 |
Botany.
Addresses, essays, lectures. |
Com |
| QK 83-84 |
Plant lore. |
Study |
| QK 85-89 |
Wild flowers,
protection of plants, pressed plants with text. |
Res |
| QK 91-97 |
Botany.
Classification. |
Com |
| QK 98-98.7 |
Pictorial
works, botanical illustrations, edible and dye plants. |
Com |
| QK 99-100 |
Medical
botany. Poisonous plants. |
Com |
| QK 101-474.5 |
Geographical
distribution. Phytogeography. |
Com |
| QK 474.8-495 |
Spermatophyta.
Phanerogams. |
Com |
| QK 479-480 |
Arboretums.
Fruticeta. |
Res |
| QK 504-635 |
Cytograms. |
Com |
| QK 564-580.5 |
Algae and
Algology. |
Res |
| QK 710-899 |
Plant physiology. |
Com |
| QK 861-899 |
Phytochemistry
(plant biochemistry). |
Res |
| QK 900-977 |
Plant ecology. |
Com |
| QK 980-989 |
Evolution
of plants. Genetics. Hybridization. Variation. Selection. |
Com |
| QL |
Zoology |
Back to Top |
| QL 1-100 |
Zoology (general). |
Res |
| QL 55 |
Laboratory
animals (general). See also SF
405.5-407, Breeding and care. |
Res |
| QL 77.5 |
Zoo animals. |
Res |
| QL 101-345 |
Geographical
distribution. Exception: in physiographic environments
pertaining to agriculture, collected comprehensively. |
Study |
| QL 351-355 |
Classification.
Nomenclature. |
Res |
| QL 362-599 |
Invertebrates.
Except as listed below. |
Study |
| QL 392 |
Helminthology. |
Res |
| QL 386-394 |
Worms and other
veriforms. |
Com |
| QL 401-432 |
Mollusca: Snails,
slugs, and others relating to agricultural interests. |
Com |
| QL 434-445 |
Arthropoda.
Crustacea. Sowbugs, pillbugs, etc. |
Com |
| QL 449 |
Myriapoda. |
Com |
| QL 451-459 |
Arachnida. |
Com |
| QL 461-599 |
Insects. Entomology.
See also SB 818-945, Economic
entomology. |
Com |
| QL 605-607 |
Vertebrates
(general). |
Res |
| QL 614-639 |
Fishes. |
Study |
| QL 624 |
Freshwater
fishes. |
Res |
| QL 640-669 |
Reptiles and
amphibians. |
Study |
| QL 671-699 |
Birds. |
Study |
| QL 697 |
Anatomy and
morphology. |
Res |
| QL 698 |
Physiology. |
Res |
| QL 700-739 |
Mammals. |
Study |
| QL 739 |
Mammals. Anatomy,
morphology and physiology. |
Res |
| QL 750-785 |
Animal behavior. |
Res |
| QL 757 |
Parasitology.
See also QL 392, Helminthology. |
Res |
| QL 799 |
Morphology
(general). |
Res |
| QL 801-950 |
Anatomy. |
Res |
| QL 951-999 |
Embryology. |
Res |
| QM |
Human Anatomy |
Min |
| QP |
Physiology |
Basic |
| QP 42-47 |
Techniques
of animal experimentation. |
Res |
| QP 81-82.2 |
Phenomena
of animal life. |
Res |
| QP 141 |
Nutrition
(general). |
Res |
| QP 501-801 |
Animal biochemistry. |
Res |
| QP 901-981 |
Experimental
pharmacology. See also RA 1190-1270,
Toxicology. |
Study |
| QR |
Microbiology |
Res |
| QR 51 |
Agricultural
microbiology. |
Com |
| QR 111, 113 |
Microbial
ecology. Soil. |
Com |
| QR 115-129 |
Microbial
ecology. Foods. |
Com |
| QR 129, 160 |
Microorganisms
of fermentation. Microorganisms of cellulose and
other plant products. |
Com |
| QR 180-189 |
Immunology. |
Res |
| QR 186 |
Immunology
of laboratory animals. |
Res |
| QR 302 |
Microorganisms
of vertebrates. (for domestic animals see QR 49). |
Res |
| QR 327 |
Microorganisms
of insects. |
Com |
| QR 351 |
Miscroorganisms
of plants. |
Res |
| R |
Medicine |
|
| R 5-891 |
Medicine (general). |
Basic |
| RA |
Public
Aspects of Medicine |
Back to Top |
| HT 361-381 |
City and
country, growth of cities, movement to the country. |
Study |
| RA 5-388 |
Boards of
health. Documents. Animal and plant hosts or vectors
or related to food only. (United States) |
Res |
| RA 411-415 |
Provisions
for medical care. Rural areas only. |
Study |
| RA 570-571 |
Soils and
soil moisture, soil pollution (public health aspects). |
Com |
| RA 578 |
Air pollution,
by agriculture related industry or processes, e.g.,
.A6, Abattoirs. Slaughterhouses; .B8, Breweries
and distilleries; .F4, Fertilizer factories. |
Com |
| RA 579-583 |
Industrial
pollution by agriculture related industry. |
Com |
| RA 591-598 |
Water supply.
Affected by agriculture related industry. |
Com |
| RA 601-602 |
Food and
food supply. |
Com |
| RA 604 |
Parks, recreation
areas, campgrounds, etc. |
Res |
| RA 615 |
Public carriers.
Related to agricultural products. |
Com |
| RA 638 |
Immunity
and immunization. |
Study |
| RA 639-642 |
Transmission
of disease by rodents, insects or other animals,
by food. |
Com |
| RA 643-644 |
Infectious
diseases and public health, when involving animal
or related diseases, e.g., .A6, Anthrax; .M2, Malaria;
.B7, Brucellosis; .H38, Helminthiasis; .S15, Salmonellosis. |
Res |
| RA 646-648 |
War and
public health. Bacterial and chemical warfare. Animals
or food. |
Res |
| RA 649-651 |
Epidemics.
Epidemiology. |
Study |
| RA 771 |
Rural hygiene.
|
Study |
| RA 784 |
Personal
hygiene. Nutrition. |
Com |
| RA 975.5D5 |
Food service
in medical centers. |
Basic |
| RA 1190-1247 |
Toxicology. |
Res |
| RA 1250-1270 |
Toxicology
of vegetable, animal, plant, food and other agriculturally
related poisons. |
Com |
| RB |
Pathology |
Basic |
| RC |
Internal
Medicine |
Basic |
| RC 113.5 |
Zoonoses.
Diseases communicable from animals to man. |
Com |
| RC 119-119.7 |
Parasitic
diseases of man. |
Res |
| RC 143 |
Food poisoning. |
Res |
| RC 455.4N8 |
Nutrition
aspects of mental health. |
Res |
| RC 596 |
Food allergies. |
Res |
| RC 620-632 |
Nutritional
diseases. |
Res |
| RD |
Surgery |
Basic |
| RD 29 |
Experimental
surgery on animals. |
Study |
| RE |
Opthalmology |
Basic |
| RF |
Otorinolaryngology |
Basic |
| RG |
Gynecology
& Obstetrics |
Basic |
| RJ |
Pediatrics |
Basic |
| RJ 390-399 |
Nutritional
diseases of children. |
Res |
| RK |
Dentistry |
Min |
| RL |
Dermatology |
Basic |
| RM |
Therapeutics.
Pharmacology |
Basic |
| RM 214-259 |
Clinical
Nutrition. Diet therapy. Diet in disease. Vitamin
therapy. |
Study |
| RM 260-298 |
Chemotherapy.
Serum therapy. Immunotherapy. Endocrinotherapy.
Organotherapy. |
Study |
| RM 300-366 |
Drugs and
their actions. |
Basic |
| RM 930-931 |
Therapy
facilitated by animals. |
Study |
| RS |
Pharmacy
& Materia Medica |
Study |
| S |
Agriculture |
Back to Top |
| S 1-20 |
Periodicals
and societies. |
Com |
| S 21-132 |
U.S.
Federal and State documents |
Com |
| S 21.A2-Z |
U.S.
Department of Agriculture documents - The Library
acquires and maintains in its collection substantive
materials needed for effective service. Maintenance,
storage, and disposal of archival material, including
agency administrative materials and circulars even
of a substantive nature, are the responsibility
of each agency within its subject matter and functional
area. |
Com |
| |
The Library
generally does not collect below the State level.
Exceptions may be made for materials of research
interest. See also S541-545.
Publications of State Extension services are selected
at the research level, excluding such items as "Weekly
Notes," "Poultry Tips," etc. Excluded also are press
releases. |
|
| S 133-400 |
Documents of
other countries - Documents below the national level
generally are not kept. Exceptions may be made for
materials of research interest. |
Com |
| S 401-414 |
International
congresses; agricultural missions; collections;
encyclopedias and dictionaries; yearbooks, almanacs,
and bibliographies. |
Com |
| S 415-417 |
Collected and
individual biographies are acquired according to
level of the field. |
Com |
| S 419-484 |
History and
conditions. |
Com |
| S 491-494 |
General works. |
Com |
| S 494.5 |
Special aspects
of agriculture, e.g., aerial photography, cartography,
electronics, remote sensing. |
Com |
| S 495-533 |
Textbooks, handbooks,
popular works. Exception: Juvenile and fiction not
collected. |
Com |
| S 531-539 |
Schools, study
and teaching. |
Com |
| S 540 |
Research. Experimentation. |
Com |
| S 541-543 |
Experiment stations. |
Com |
| S 544-545 |
Agricultural
extension. Exception: Publications containing trivial
news items and personal notes not collected. See
also S21-132. |
Com |
| S 549-559 |
Museums and
Expositions. Exception: Official catalogs, programs
and circulars, exhibits collected for historical
interest or as representative of this type of publication. |
Com |
| S 560-571.5 |
Farm economics.
Farm management. Exception: Techniques of farm finances
and accounts, including bookkeeping, collected for
historical interest or as representative of this
type of publication. |
Com |
| S 583-589 |
Agricultural
chemistry and physics. |
Com |
| S 590-599 |
Soils. |
Com |
| S 600-621 |
Agricultural
meteorology. Crops and climate. Methods and systems
of culture. Agricultural conservation. Melioration,
improvement, reclamation, fertiliztion, irrigation,
etc., of lands. Organic farming. Organiculture. |
Com |
| S 622-667 |
Soil conservation.
Fertilizers and soil improvement. |
Com |
| S
671-760 |
Farm machinery
and engineering. Exception: National responsibility
for machinery catalogs with University of California,
Davis. (See also HD
9486, Agricultural implements and machinery;
TJ 1480,1496, Agricultural
and farm machinery.) |
Com |
| S 770-790 |
Agricultural
structures. Farm buildings. |
Com |
| S 900-972 |
Conservation
of natural resources. Exception: Conservation of
wildlife and of recreational resources collected
at research level. |
Com
Res |
| SB |
Plant Culture |
Back to Top |
| SB 1-109 |
Plant culture
(general). (For documents and exhibitions see S21-400,
and S549-559 above.) |
Com |
| SB 110-112 |
Methods for
special areas, including dry- land and tropical
agriculture, irrigation farming. |
Com |
| SB 113 |
Nurserymen's
catalogs, etc. Premium lists are collected generally
at the international and national levels. Below
these levels, collection is highly selective. |
Com |
| SB 114-118 |
Seeds. SB
115, Catalogs and price lists, maintained as a special
collection by Reference Division. Seed and plant
exchange lists collected only if of substantive
value. |
Com |
| SB 119-125 |
Propagation,
training, and pruning. |
Com |
| SB 123.5 |
Plant patents. |
Com |
| SB 126-139 |
Forcing,
growth regulators, harvesting, storage, miscellaneous. |
Com |
| SB 160-177 |
New crops,
tree crops, multipurpose trees, food crops. |
Com |
| SB 183-317 |
Field crops. |
Com |
| SB 318-450 |
Horticultural
crops. Exceptions: SB 404, Florists' directories;
SB 441, Flower shows- catalogs and programs, etc.;
SB 445, Florists designs, catalogs, etc., are collected
for historical interest or as representative of
such publications; SB 449- 450, Flower arrangement
and decoration collected at the research level. |
Com
Res |
| SB 451-466 |
Gardens and
gardening. Exception: Amateur gardening, community
gardens, children's gardens, garden clubs collected
at the research level. |
Com
Res |
| SB 469-479 |
Landscape
gardening. |
Res |
| SB 481-485 |
Parks and
public reservations. |
Res |
| SB 599-990.5 |
Pests and
diseases. Plant pathology. Economic entomology.
Pest control and treatment of diseases. Plant protection. |
Com |
| SB 992-998 |
Economic
zoology applied to crops. Agricultural zoology,
including animals injurious and beneficial to plants. |
Com |
| SD |
Forestry |
Back to Top |
| SD 1-390 |
Forestry
(general). (For documents, history, study and teaching,
and exhibitions see under headings from S 21 to
S 559 above.) Exception: Materials about forest
schools are collected comprehensively, but publications
of the schools are collected at the research level. |
Com
Res |
| SD 391-410 |
Silviculture. |
Com |
| SD 411-428 |
Conservation
and protection, forest reserves. |
Com |
| SD 430-557 |
Exploitation
and utilization, timber, trees, logging, transportation,
valuation. |
Com |
| SD 561-668 |
Forest
policy and administration. |
Com |
| SF |
Animal
Culture |
Back to Top |
| SF 1-83 |
General. |
Com |
| SF 85-99 |
Ranges,
housing, environmental control, feeds, nutrition. |
Com |
| SF 101-121 |
Brands,
breeds, exhibitions. |
Com |
| SF 191-275 |
Cattle,
dairying. |
Com |
| SF 277-294 |
Horses.
General, breeds and breeding. |
Com |
| SF
295-359 |
Horses.
Shows, catalogs, essays, driving, riding, racing. |
Study |
| SF 311-318 |
Draft horses,
care of stables. |
Com |
| SF 361-362 |
Donkeys,
mules. |
Com |
| SF 371-401 |
Sheep,
goats, swine. |
Com |
| SF 402-405 |
Fur-bearing
animals (of interest to fur farming). Other fur-bearing
animals. |
Com
Res |
| SF 405.5-407 |
Laboratory
animals. Breeding and care. See also QL
55, Laboratory animals (general). |
Com |
| SF 409 |
Small animal
culture. |
Com |
| SF 411-473 |
Pets -
dogs, cats, rabbits, birds. |
Res |
| SF 481-507 |
Poultry. |
Com |
| SF 508-513 |
Game birds,
other birds. |
Res |
| SF 518 |
Insect
rearing. |
Com |
| SF 521-562 |
Insects.
Bees, silkworm, cochineal. |
Com |
| SF 600-998 |
Veterinary
Medicine |
|
| SF 600-759 |
Veterinary
medicine (general). |
Com |
| SF 740 |
Veterinary
public health, including preventive medicine, zoonoses
control, and general quarantine. |
Com |
| SF 761-910.5 |
Anatomy,
physiology, pathology, diagnosis, diseases, orthopedics. |
Com |
| SF 810 |
Parasitic
diseases of animals. |
Com |
| SF 911-919 |
Surgery,
materia medica. |
Com |
| SF 951-997 |
Diseases
of special classes of animals including pets, wild
animals. |
Com |
| SH |
Aquaculture,
Fisheries |
Back to Top |
| SH 1-20.5 |
General. |
Com |
| SH 20.5-138 |
Aquaculture. |
Com |
| SH 151-191 |
Culture of
fish and other aquatic animals. |
Com |
| SH 201-399 |
Fisheries. |
Res |
| SH 335,337 |
Preparation
of fishery products for use; packing and transportation
as food or fertilizer product. |
Com |
| SH 401-691 |
Angling. United
States and Canada only. Otherwise collected at study
level. |
Res
Study |
| SK
1-610 |
Hunting sports.
United States and Canada only. Otherwise collected
at study level. |
Res
Study |
| T |
Technology |
Back to Top |
| T 1-54 |
Technology
(general). |
Basic |
| T 55-55.3 |
Industrial
safety. |
Study |
| T 55.4-60 |
Industrial
engineering, including operations research, systems
analysis, management information systems, production
efficiency, human engineering in industry, work
measurement, methods engineering. |
Basic |
| T
173.2-174.5 |
Technological
change. |
Study |
| T 175-178 |
Industrial
research. Research and development. |
Basic |
| TA |
Engineering
and Civil Engineering - General |
Back to Top |
| TA 164 |
Bioengineering. |
Res |
| TA 165, 166, 168,
170 |
Engineering
instruments; human engineering; systems engineering;
environmental engineering. |
Basic |
| TA 177.4-185 |
Engineering
economy, including cost effectiveness, benefits-to-cost
ratios. |
Basic |
| TA 329-348 |
Engineering
mathematics. Engineering analysis (statistical methods). |
Study |
| TA 419-424 |
Materials of
engineering and construction. Wood, including termite
control, only. |
Com |
| TA 593 |
Aerial surveying. |
Study |
| TA 710 |
Soil mechanics. |
Res |
| TC |
Hydraulic
Engineering |
Back to Top |
| TC 171-179 |
Hydrodynamics. |
Study |
| TC 401-526 |
River, lake,
and water-supply engineering (general). Exception:
Watersheds or other subjects related to agriculture
or rural areas collected at the research level. |
Study
Res |
| TC 537 |
River protective
works. Flood control. Tree planting. |
Com |
| TC 801-957 |
Irrigation
engineering. Reclamation. |
Res |
| TC 970-978 |
Drainage. |
Res |
| TD |
Environmental Technology.
Sanitary Engineering |
Back to Top |
| TD 1-158 |
Environmental
technology. Sanitary engineering (general). |
Basic |
| TD 172-196 |
Environmental
pollution (general). |
Res |
| TD 201-500 |
Water supply
for domestic and industrial purposes. Exception:
TD 403, Ground water; TD 420-427 Water pollution
or other subjects related to agriculture or rural
areas are collected at the research level. |
Basic
Res |
| TD 511-780 |
Sewage collection
and disposal systems. Sewerage. |
Study |
| TD 878-879 |
Soil pollution. |
Res |
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