| Class
Number |
Subject |
Collecting Level |
| A |
General
Works |
|
| AE |
Encyclopedias (general). Limited to the basic
modern and international encyclopedias. |
Basic |
| AG |
Dictionaries and other general reference books. |
Basic |
| AI |
Indexes. |
Basic |
| AS |
Academic and learned societies. |
Basic |
| AY |
Yearbooks, almanacs, directories (general). |
Basic |
| AZ |
History of scholarship and learning. |
Basic |
| B |
Philosophy, Psychology, Religion |
|
| BF 660-687 |
Comparative psychology. Animal and human
psychology. |
Study |
| C-F |
History |
Back to Top |
| CB; CC |
History of civilization and culture. Archaeology.
Agricultural aspects only. |
Res |
| CB 158-161 |
Forecasts of future progress. Specific
subjects covered at the level of the subject. (See
also T 173.2-174.5 Technological
change.) |
Study |
| CT |
Biography. Collections of general biographies are
collected at the basic level, e.g., DNB, Who's Who.
Collected and individual biographies of persons in
agriculture and related fields collected according to
the depth assigned to the field. |
Basic |
| D 901-980; DA |
Europe and individual countries, description and
travel. Emphasis on description of plants, natural
resources, agricultural industry. |
Study |
| E |
History, America. United States. Limited to works
on agriculture, botany, food, textiles. |
Com |
| E 158 |
United States, guide books. |
Basic |
| E 160 |
National and State parks and reservations. |
Study |
| E 161-169 |
U.S. description and travel. Emphasis on
descriptions of plants, natural resources, agricultural
industry. |
Study |
| E 178 |
U.S. general works. |
Min |
| E 184-185.9 |
Elements in the population. Status and development
of minority groups, particularly those for whom
"affirmative action" programs have been established. |
Study |
| F |
U.S. local history. Americas. Limited to works on
agriculture, botany, food, textiles. Exception:
Description and travel. Emphasis on descriptions of
plants, natural resources, agricultural industry. |
Com Res |
| G |
Geography |
Back to Top |
| G 1-56 |
Geography (general). Periodicals. Societies.
Congresses. |
Basic |
| G 101-108 |
Gazetteers. Dictionaries. Geographic names.
Geographic terms. |
Basic |
| G 1001-3102 |
Atlases. Representative modern world and U.S.
atlases and those of other large areas, such as
Europe, China, or South America, are collected. |
Basic |
| GB 3-397 |
Physical geography (general). |
Basic |
| GB 651-2998 |
Water. Hydrology. Exception:
Watersheds and
similar subjects directly related to agriculture are
collected comprehensively. |
Study Com |
| GC |
Oceanography. |
Study |
| GC 1080-1581 |
Marine pollution. Sea water pollution. |
Study |
| GN 407 |
Anthropology. Cultural traits, customs. Food and food
production. | Res |
| GN 407.4-407.8 |
Anthropology. Cultural traits, customs. Agriculture. | Res |
| GT 2855-2920 |
Manners and custom: Foods and beverages. |
Res |
| GT 5810-5899 |
Customs relative to special classes: Agriculture
(excluding hunting). Domestic animals and
cultivated plants. |
Res |
| GV 1103-1109 |
Sports. Animal
fighting. (See also SF 295-359,
Horse racing; SK 1-610, Hunting
sports). |
Res |
| H |
Social Sciences |
Back to Top |
| H |
Social Sciences (general). |
Basic |
| HA |
Statistics |
Back to Top |
| HA 1-35 |
Statistics (general and general theory). |
Study |
| HA 36-4737 |
Statistical data. Currently published compilations,
domestic and foreign, of statistical data having more
than local interest or significance and covering
primarily subjects collected at the research or
comprehensive levels are collected. These may
include domestic and foreign almanacs, statistical
yearbooks, annual compilations, and censuses,
covering general agricultural or trade statistics. |
Res |
| HC |
Economic History and Conditions |
Study |
| HC 79.A4 |
Air pollution. Exception: Effect on plants and
animals collected comprehensively. |
Com |
| HC 79.C6 |
Consumer demand. |
Study |
| HC 79.C63 |
Consumer protection. |
Study |
| HC 79.E5 |
Environmental policy. |
Res |
| HC 79.P55 |
Pollution. Exception: Effect on plants, animals,
agricultural lands and from agricultural activities
collected comprehensively. |
Com |
| HC 79.S9 |
Subsidies. |
Res |
| HC 79.T4 |
Technology transfer. |
Res |
| HC 79.W3 |
Waste. Exception: Waste from agriculture or
agricultural industry collected comprehensively. |
Com |
| HC 79.W32 |
Water pollution. Exception: Effect on plants, animals,
agricultural lands and from agricultural activities; collected comprehensively. |
Com |
| HD |
Land, Agriculture,
Industry |
Back to Top |
| HD 1-91 |
Production. Industrial management. | Basic |
| HD 101-1130 |
Land (general). Exception: Materials pertaining to
rural land collected comprehensively, eg., HD 241, Grazing lands; HD 256,
Farm property and rural land use. |
Study |
| HD 1241-1339 |
Land tenure. |
Basic |
| HD 1393 |
Rural property. Rural land use. Farm land. |
Com |
| HD 1401-2210 |
Agriculture. Economic aspects. Exception:
Agricultural associations, societies, cooperative
agriculture, government owned and operated farms,
agricultural classes (including landlord, tenant,
peasant proprietors, agricultural laborers) outside
the United States collected at the research level. |
Com |
| HD 3271-3575 |
Cooperative distribution: Agricultural cooperatives. |
Com |
| HD 4801-8942 |
Labor, including wages, strikes, unemployment,
labor unions, industrial relations, social conditions,
housing. Exception: Materials dealing with rural
aspects, as HD 7289.A3-.Z, Rural housing, and agricultural
labor collected comprehensively; those dealing with
related fields, e.g., canning, food processing,
collected at the study level. |
Basic
Com
Study |
| HD 6050-6220 |
Women labor. Collection in this area reflects
interest in "affirmative action" program for women. |
Study |
| HD 9000-9490 |
Agricultural and other plant and animal products;
food products. |
Com |
| HD 9486 |
Agricultural
implements and machinery. Exception: Catalogs, of
commercial firms are forwarded to University of
California, Davis. (See also S671-760,
TJ 1480-1496.) |
Com |
| HD 9502 |
Power resources and energy policy. |
Study |
| HD 9650-9660 |
Chemicals, chemical industries. |
Res |
| HD 9660.P3-.P33 |
Pesticides, insecticides. |
Com |
| HD 9665-9675 |
Drug industry. |
Study |
| HD 9688 |
Rural electrification. |
Com |
| HD 9750-9769 |
Lumber. Forest products. |
Res |
| HD 9778-9780 |
Hides and skins; tanning materials; leather and
leather goods. |
Res |
| HD 9839.P3-.P34 |
Paper board industry. |
Res |
| HD 9850-9929 |
Textile industry; emphasis on textiles from
agricultural products rather than chemical synthetics. |
Res |
| HD 9999.A-Z |
Materials dealing with other industries and trades
working with plant and animal sources, e.g., .B44-444, Biotechnology industries; .C 72,
Confectionery, candy; .D 9, Dyestuffs; .G45-454, Genetic engineering; .L 5, Linseed
oil. |
Res |
| HE |
Transportation and
Communication |
Back to Top |
| HE 148.5 |
Transportation in underdeveloped areas. |
Res |
| HE 149 |
Transportation and agriculture. |
Com |
| HE 153 |
Use of animals for transportation. |
Com |
| HE 199.5 |
Freight. Special commodities. Agricultural
commodities only. |
Com |
| HE 355.3 |
Country roads. |
Com |
| HE 595 |
Water transport. Freight. Agricultural commodities
only. |
Com |
| HE 1043 |
Railways and farming interests. |
Com |
| HE 2321 |
Rail transportation. Freight. Agricultural
commodities only. |
Com |
| HE 5621.Z6 |
Automotive transportation. Agricultural
commodities only. |
Com |
| HE 7651 |
Telegraph. Related to agricultural interest only. |
Com |
| HE 7677 |
Telegraph codes. For agricultural commodities only. |
Com |
| HE 8731 |
Telephone. Related to agricultural commodities
only. |
Com |
| HE 9783.74 |
Air transportation. Freight tariff rates on agricultural
products only. |
Com |
| HE 9788 |
Air transportation. Freight and express service.
Agricultural commodities only. |
Com |
| HF |
Commerce |
Back to Top |
| HF 1-1017 |
General: Periodicals, annuals, directories,
congresses, philosophy; Boards of Trade, Chambers
of Commerce, history, dictionaries. See also note
for HA 36-4026, Statistical
data. |
Min |
| HF 1021-1028 |
Commercial geography. |
Study |
| HF 1040-1054 | Commodities. Commercial products. Agricultural
products only. |
Com |
| HF 2601 |
Tariff related to farmer interests. |
Com |
| HF 2651 |
Tariff upon agricultural and related commodities
only. |
Com |
| HF 3001-4040 |
Commerce. By country. Agricultural
commodities only. See also HA 36-4026,
Statistical data. |
Com |
| HF 5001-5391 |
Business (general). Periodicals, societies,
directories, treatises, manuals, popular works. |
Basic |
| HF 5410-5439 |
Marketing. Distribution of product. Consumer.
Wholesale trade. Retail trade. Cooperative
business. Level of collecting varies with subject,
e.g., agricultural-or food-related activities collected
comprehensively. |
Basic Com |
| HF 5469 |
Supermarkets (food and grocery). |
Study |
| HF 5470-5475 |
Markets, fairs. Collected at level of subject, e.g.,
farmers' markets collected comprehensively. |
Basic Com |
| HF 5546-5547 |
Office organization and management. |
Study |
| HF 5548 |
Office equipment and supplies, including electronic
data processing. |
Basic |
| HF 5548.8 |
Industrial psychology. |
Study |
| HF 5549 |
Personnel. Employment management. |
Study |
| HF 5686 |
Accounting by business or activity related to
agriculture only. |
Com |
| HF 5716 |
Tables of cost, quantity, weight, etc., of agricultural
commodities only. |
Com |
| HF 6161 |
Advertising by agriculture related business. |
Com |
| HG |
Finance |
Back to Top |
| HG 1-57 |
Finance (general). |
Min |
| HG 201-1496
| Money. |
Min |
| HG 2041-2051 |
Agricultural credit agencies. |
Com |
| HG 5095 |
Mortgages. Agricultural and forest land only. |
Com |
| HG 9731 |
Fire insurance. Special classes of risks.
Agricultural and related products only. |
Com |
| HG 9966-9969 |
Casualty insurance, agricultural. |
Com |
| HJ |
Public Finance |
Back to Top |
| HJ 9-10 |
Documents. United States. Documents, such as
congressional hearings, concerned with the
Department of Agriculture or with other agencies
when including material on USDA agencies, e.g.,
Forest Service appropriation hearings with Interior
Department. |
Com |
| HJ 3805 |
Income from forests (United States). |
Com |
| HJ 4167, 4179 |
Land tax. Real estate. Forest lands. |
Com |
| HJ 4182.A3 |
Other agriculture related tax (United States). |
Com |
| HJ 5703-5764 |
Taxation on agricultural and allied articles, raw
materials, manufactures (United States). |
Com |
| HJ 6705 |
Customs administration. Smuggling, under
evaluation. Agricultural and related products. |
Com |
| HM |
Sociology |
Back to Top |
| HM 1-17 |
Sociology (general). |
Basic |
| HN |
Social History. Social Problems. Social Reform. Rural Areas Only. |
Res |
| HT |
Social Groups |
Back to Top |
| HT 361-381 |
City and country, growth of cities, movement to the country. |
Study |
| HT 401-485 |
Rural groups, rural sociology. Periodicals. Societies. History, etc. General works. Recreation.
|
Res |
| HT 475 |
Rural district as an economic factor. |
Com |
| HV |
Social Pathology, Social and Public Welfare |
Back to Top |
| HV 40-696 |
Free professional services. Medical charities. Rural areas only. |
Res |
| HV 697-4630 |
Protection, assistance and relief. Rural areas only. |
Res |
| HV 4701-4758 |
Protection of animals. |
Res |
| HV 4761-4766 |
Protection of animals. United States. |
Res |
| HV 4767-4890 |
Protection of animals. Other countries. |
Study |
| HV 4905-4959 |
antivivisection. |
Res |
| J |
Political Science |
Back to Top |
| J 10-85 |
United States official documents. Federal
Government. Congressional documents and other
legislative materials and executive documents are
collected according to the level of the subject (not by
serial-set). |
|
| JA |
Political science. General works. |
Basic |
| K |
Laws |
Back to Top |
| |
The Beltsville Library limits its acquisition to
materials about laws and compilations of laws on
agricultural subjects, e.g., KF 1680-1750;
1900-1944: Regulation of industry, trade, and
commerce; Occupational law; Primary production;
Agriculture and forestry; Food processing industries.
KF4101-4223: Education in general (rural areas only); KF4230: Land grant colleges; KF
5551-5570: Water resources, watersheds;
Rivers; Lakes; Water courses (agriculture related
aspects only.) |
Com |
| L |
Education |
Back to Top |
| L 7-97 |
Periodicals. Societies. |
Basic |
| L 900-991 |
Directories of educational institutions. Those of
agricultural institutions are collected as
representative of this type of material. |
Basic |
| LA |
History of education. Materials are collected at the
level of the subject, e.g., history of agricultural
education collected comprehensively. (United States) |
Res |
| LB 1567, 1621 |
Rural schools. |
Study |
| LB 2300-2430 |
Higher education. Agricultural education only. |
Com |
| LD-LG |
Individual institutions. United States. Land-grant and
agricultural colleges and universities only. |
Study |
| N |
Fine Arts |
Back to Top |
| NA |
Farm architecture. Exception: Working drawings,
blueprints, and plans printed separately are
excluded. |
Res |
| P |
Language and Literature |
Back to Top |
| P-PM |
Language dictionaries. The best modern dictionaries
in all generally used languages and foreign-English
dictionaries of the lesser used languages are
collected. |
Basic |