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Library of Congress Subject Areas (17653)
- A General Works (4)
  - AM Museums. Collectors and collecting (1)
  - AN Newspapers (1)
    - AN1 Newspapers (1)
  - AS Academies and learned societies (2)
    - AS1-945 Academies and learned societies (2)
      - AS11-785 By region or country (2)
- B Philosophy. Psychology. Religion (757)
  - B Philosophy (General) (6)
  - BD Speculative philosophy (1)
    - BD10-701 Speculative philosophy (1)
      - BD143-237 Epistemology. Theory of knowledge (1)
  - BF Psychology (376)
    - BF1-990 Psychology (210)
      - BF173-175.5 Psychoanalysis (4)
      - BF176-176.5 Psychological tests and testing (6)
      - BF180-198.7 Experimental psychology (1)
      - BF203 Gestalt psychology (1)
      - BF231-299 Sensation. Aesthesiology (1)
      - BF309-499 Consciousness. Cognition - Including learning, attention, comprehension, memory, imagination, genius, intelligence, thought and thinking, psycholinguistics, mental fatigue (21)
      - BF38-64 Philosophy. Relation to other topics (3)
      - BF501-505 Motivation (25)
      - BF511-593 Affection. Feeling. Emotion (45)
      - BF608-635 Will. Volition. Choice. Control (1)
      - BF636-637 Applied psychology (13)
      - BF692-692.5 Psychology of sex. Sexual behavior (3)
      - BF697-697.5 Differential psychology. Individuality. Self (2)
      - BF698-698.9 Personality (5)
      - BF712-724.85 Developmental psychology - Including infant psychology, child psychology, adolescence, adulthood (14)
      - BF725-727 Class psychology (1)
    - BF1001-1389 Parapsychology (1)
      - BF1048-1108 Hallucinations. Sleep. Dreaming. Visions (1)
  - BH Aesthetics (1)
  - BJ Ethics (76)
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      - BJ1188-1295 Religious ethics (1)
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      - BJ1725 Ethics of social groups, classes, etc. Professional ethics (3)
    - BJ1801-2195 Social usages. Etiquette (1)
  - BL Religion (66)
    - BL1-2790 Religions. Mythology. Rationalism (39)
      - BL1-50 Religion (General) (8)
      - BL175-265 Natural theology (3)
        BL205-216 Nature and attributes of Deity (3)
      - BL270 Unity and plurality (1)
      - BL290 The soul (1)
      - BL300-325 The myth. Comparative mythology (3)
      - BL410 Religions in relation to one another (6)
      - BL51-65 Philosophy of religion. Psychology of religion. Religion in relation to other subjects (4)
      - BL624-629.5 Religious life (1)
      - BL660-2680 History and principles of religions (2)
        BL1000-2370 Asian. Oriental (2)
        BL1000-1035 General (1)
      - BL74-99 Religions of the world (1)
  - BP Islam. Bahaism. Theosophy, etc (245)
    - BP1-610 Islam. Bahai Faith. Theosophy, etc. (159)
      - BP1-253 Islam (158)
        BP1-68 General (24)
        BP42-48 Study and teaching (3)
        BP100-(157) Sacred books (1)
        BP100-134 Koran (1)
        BP160-165 General works on Islam (9)
        BP169 Works against Islam and the Koran (1)
        BP170 Works in defense of Islam. Islamic apologetics (1)
        BP170.2 Benevolent work. Social work. Welfare work, etc. (2)
        BP170.3-170.5 Missionary work of Islam (6)
        BP173.25-173.45 Islamic sociology (10)
        BP174-190 The practice of Islam (34)
        BP176-181 The five duties of a Moslem. Pillars of Islam (13)
        BP182 Jihad (Holy War) (1)
        BP184-184.9 Religious ceremonies, rites, etc. (3)
        BP187-187.9 Shrines, sacred places, etc. (1)
        BP188-190 Islamic religious life (9)
        BP191-253 Branches, sects, etc. (1)
        BP70-80 Biography (1)
  - BQ Buddhism (2)
    - BQ1-9800 Buddhism (2)
      - BQ1001-1045 Buddhist literature (1)
  - BR Christianity (6)
    - BR1-1725 Christianity (4)
      - BR115 Christianity in relation to special subjects (1)
      - BR140-1510 History (1)
        BR500-1510 By region or country (1)
  - BV Practical Theology (1)
    - BV1-5099 Practical Theology (1)
      - BV590-1652 Ecclesiastical theology (1)
        BV800-873 Sacraments. Ordinances (1)
        BV835-838 Marriage (1)
  - BX Christian Denominations (1)
    - BX1-9999 Christian Denominations (1)
      - BX800-4795 Catholic Church (1)
        BX1781-1788 Catholic Church and other churches (1)
- C Auxiliary Sciences of History (20)
  - C Auxiliary sciences of history (General) (1)
  - CB History of civilization (1)
    - CB3-482 History of civilization (1)
      - CB440-482 Relation to special topics (1)
        CB481 War and civilization (1)
  - CC Archaeology (6)
    - CC1-960 Archaeology (4)
      - CC135-137 Preservation, restoration, and conservation of antiquities. Antiquities and state (1)
      - CC700-705 Stone heaps, cairns, etc., of unknown purpose (1)
      - CC72-81 Philosophy. Theory (1)
  - CT Biography (12)
- D World History and History Of Europe, Asia, Africa, Australia, New Zealand, Etc. (613)
  - D History (General) (19)
    - D1-2027 History (General) (9)
      - D(204)-(475) Modern history, 1453- (1)
        D299-(475) 1789- (1)
        D731-838 World War II (1939-1945) (1)
      - D1-24.5 General (3)
  - DA Great Britain (1)
    - DA1-995 History of Great Britain (1)
      - DA10-18.2 British Empire. Commonwealth of Nations. The Commonwealth (1)
  - DD Germany (3)
    - DD1-(905) History of Germany (1)
      - DD1-21 General (1)
  - DJK Eastern Europe (General) (1)
    - DJK1-77 History of Eastern Europe (General) (1)
  - DK Russia. Soviet Union. Former Soviet Republics - Poland (1)
    - DK1-949.5 History of Russia. Soviet Union. Former Soviet Republics (1)
      - DK36-293 History (1)
  - DL Northern Europe. Scandinavia (1)
  - DR Balkan Peninsula (1)
  - DS Asia (588)
    - DS1-937 History of Asia (378)
      - DS101-151 Israel (Palestine). The Jews (3)
        DS109-109.94 Jerusalem (1)
        DS114-128.2 History (1)
      - DS201-248 Arabian Peninsula. Saudi Arabia (2)
      - DS376-392.2 Pakistan (1)
      - DS393-396.9 Bangladesh. East Pakistan (2)
      - DS401-(486.8) India (Bharat) (2)
        DS433-481 History (1)
      - DS520-560.72 Southeast Asia (349)
        DS524-526.7 History (1)
        DS561-589 Thailand (Siam) (3)
        DS570.95-586 History (2)
        DS591-599 Malaysia. Malay Peninsula. Straits Settlements (325)
        DS595-595.2 Ethnography (4)
        DS595.8-597.215 History (33)
        DS597.22-599 Local history and description (245)
        DS597.33-597.34 Sabah. British North Borneo (214)
        DS597.36-597.39 Sarawak (31)
        DS608-610.9 Singapore (1)
        DS611-649 Indonesia (Dutch East Indies) (10)
        DS646.3-646.34 Borneo. Kalimantan, Indonesia (2)
        DS650-650.99 Brunei (7)
        DS651-689 Philippines (4)
        DS665-666 Ethnography (1)
      - DS701-799.9 China (12)
        DS733-779.32 History (1)
        DS781-796 Local history and description (1)
        DS796.H7 Hong Kong (1)
      - DS801-897 Japan (4)
  - DT Africa (2)
    - DT1-3415 History of Africa (2)
      - DT3161-3257 Malawi. Nyasaland (1)
        DT3189-3192 Ethnography (1)
      - DT470-671 West Africa. West Coast (1)
  - DU History of Oceania (South Seas) (2)
    - DU1-950 History of Oceania (South Seas) (1)
- F History United States, Canada, Latin America (2)
  - F1201-3799 Latin America. Spanish America (2)
- G Geography. Anthropology. Recreation (735)
  - G Geography (General). Atlases. Maps (224)
    - G1-922 Geography (General) (146)
      - G149-180 Travel. Voyages and travels (General) (127)
        G154.9-155.8 Travel and state. Tourism (121)
      - G200-336 History of discoveries, explorations, and travel (1)
      - G575-890 Arctic and Antarctic regions (1)
      - G70-70.6 Philosophy. Relation to other topics. Methodology (8)
    - G1000-3122 Atlases (1)
      - G1059-1061 Maritime atlases (General) (1)
    - G3180-9980 Maps (2)
      - G3290-9880 By region or country (2)
        G5670-8904 Eastern Hemisphere. Eurasia, Africa, etc. (2)
        G7400-8198.54 Asia (2)
  - GA Mathematical geography. Cartography (4)
    - GA1-1776 Mathematical geography. Cartography (4)
      - GA101-1776 Cartography (2)
        GA109 Aerial cartography (1)
        GA341-1776 Maps. By region or country (1)
  - GB Physical geography (82)
    - GB3-5030 Physical geography (63)
      - GB400-649 Geomorphology. Landforms. Terrain (4)
        GB447 Climatic geomorphology (1)
        GB461-468.995 Reefs (1)
      - GB5000-5030 Natural disasters (4)
      - GB651-2998 Hydrology. Water (50)
        GB980-2998 Ground and surface waters (45)
        GB1001-1199.8 Groundwater. Hydrogeology (26)
        GB1201-1598 Rivers. Stream measurements (12)
        GB1601-2398 Lakes. Limnology. Ponds. Lagoons (3)
  - GC Oceanography (49)
    - GC1-1581 Oceanography (28)
      - GC100-103 Seawater (5)
      - GC1000-1023 Marine resources. Applied oceanography (5)
      - GC1080-1581 Marine pollution. Sea water pollution (2)
      - GC200-376 Dynamics of the ocean (9)
        GC205-227 Waves (3)
        GC229-296.8 Currents (2)
        GC297-299 Water masses and oceanic mixing (1)
      - GC377-399 Marine sediments (1)
      - GC401-881 Oceanography. By region (1)
      - GC65-78 Underwater exploration (1)
  - GE Environmental Sciences (116)
    - GE1-350 Environmental sciences (20)
      - GE300-350 Environmental management (8)
      - GE70-90 Environmental education (4)
  - GF Human ecology. Anthropogeography (27)
    - GF1-900 Human ecology. Anthropogeography (4)
      - GF51 Environmental influences on humans (1)
  - GN Anthropology (38)
    - GN1-890 Anthropology (22)
      - GN301-674 Ethnology. Social and cultural anthropology (16)
        GN357-367 Culture and cultural processes Including social change, structuralism, diffusion, etc. (1)
        GN378-396 Collected ethnographies (1)
        GN406-517 Cultural traits, customs, and institutions (3)
        GN451-477.7 Intellectual life Including communication, recreation, philosophy, religion, knowledge, etc. (3)
        GN537-674 Ethnic groups and races (8)
        GN550-674 By region or country (2)
      - GN49-298 Physical anthropology. Somatology (1)
        GN296-296.5 Medical anthropology (1)
      - GN700-890 Prehistoric archaeology (4)
  - GR Folklore (25)
    - GR1-950 Folklore (17)
      - GR81 Folk beliefs, superstitions, etc. (General) (7)
      - GR99.6-390 By region or country (2)
  - GT Manners and customs (60)
    - GT1-7070 Manners and customs (General) (41)
      - GT2400-3390.5 Customs relative to private life Including children, marriage, eating and drinking, funeral customs, etc. (18)
      - GT3400-5090 Customs relative to public and social life Including town life, court life, festivals, holidays, ceremonies of royalty, etc. (8)
      - GT495-499 Human body and its parts. Personal beauty (3)
      - GT500-2370 Costume. Dress. Fashion (3)
  - GV Recreation Leisure (128)
    - GV1-1860 Recreation. Leisure (49)
      - GV1199-1570 Games and amusements (3)
        GV1203-1220.8 Children's games and amusements (1)
        GV1221-1469.63 Indoor games and amusements (2)
        GV1301-1311 Gambling. Chance and banking games (1)
        GV1469.15-1469.62 Computer games. Video games. Fantasy games (1)
      - GV1580-1799.4 Dancing (14)
      - GV1800-1860 Circuses, spectacles, etc. Including rodeos, waxworks, amusement parks, etc. (2)
      - GV182-182.5 Recreational areas and facilities. Recreation centers (7)
      - GV191.2-200.66 Outdoor life. Outdoor recreation (5)
        GV199.8-200.35 Mountaineering (2)
      - GV201-555 Physical education and training (6)
        GV460-555 Gymnastics. Gymnastic exercises Including calisthenics, heavy exercises, acrobatics, etc. (1)
    - GV557-1198.995 Sports (58)
      - GV1060.5-1098 Track and field athletics (2)
      - GV711 Coaching (5)
      - GV861-1017 Ball games: Baseball, football, golf, etc. (5)
- H Social Sciences (2939)
  - H Social Sciences (General) (162)
    - H1-99 Social sciences (General) (25)
  - HA Statistics (26)
    - HA1-4737 Statistics (8)
      - HA154-4737 Statistical data (2)
        HA175-473 By region or country (1)
      - HA29-32 Theory and method of social science statistics (4)
  - HB Economic theory. Demography (359)
    - HB1-3840 Economic theory. Demography (132)
      - HB131-147 Methodology (4)
        HB135-147 Mathematical economics. Quantitative methods Including econometrics, input-output analysis, game theory (3)
      - HB201-206 Value. Utility (1)
      - HB221-236 Price (2)
      - HB3711-3840 Business cycles. Economic fluctuations (6)
      - HB522-715 Income. Factor shares (24)
        HB615-715 Entrepreneurship. Risk and uncertainty. Property (19)
      - HB71-74 Economics as a science. Relation to other subjects (4)
      - HB75-130 History of economics. History of economic theory Including special economic schools (1)
      - HB801-843 Consumption. Demand (5)
      - HB848-3697 Demography. Population. Vital events (12)
  - HC Economic history and conditions (202)
    - HC10-1085 Economic history and conditions (86)
      - HC79 Special topics Including air pollution, automation, consumer demand, famines, flow of funds, etc. (8)
      - HC92 Economic geography of the oceans (General) (2)
      - HC94-1085 By region or country (35)
  - HD Industries. Land use. Labor (618)
    - HD28-9999 Industries. Land use. Labor (459)
      - HD101-1395.5 Land use; Land tenure (12)
        HD1361-1395.5 Real estate business (5)
      - HD1401-2210 Agriculture (10)
        HD1635-1702 Utilization and culture of special classes of lands Including pasture lands, water resources development (2)
      - HD2321-4730.9 Industry (43)
        HD2331-2336 Home labor. Home-based businesses (2)
        HD2340.8-2346.5 Small and medium-sized businesses, artisans, handicrafts, trades (29)
      - HD2350.8-2356 Large industry. Factory system. Big business (3)
        HD2709-2930.7 Corporations Including international business enterprises, diversification, industrial concentration, public utilities (1)
        HD3611-4730.9 Industrial policy. The state and industrial organization Including licensing of occupations and professions, subsidies, inspection, government ownership, municipal services (2)
      - HD28-70 Management. Industrial management (202)
        HD45-45.2 Technological innovations. Automation (1)
        HD49-49.5 Crisis management. Emergency management. Inflation (3)
        HD50-50.5 Delegation of authority. Decentralization. Span of control (3)
        HD56-57.5 Industrial productivity (8)
        HD58.7-58.95 Organizational behavior, change and effectiveness. Corporate culture (101)
        HD59-59.6 Public relations. Industrial publicity (2)
        HD60-60.5 Social responsibility of business (5)
        HD61 Risk in industry. Risk management (17)
        HD62.2-62.8 Management of special enterprises (11)
        HD66-66.2 Work groups. Team work in industry. Quality circles (5)
        HD69 Other Including business consultants, capacity, size of industries, etc. (1)
      - HD4801-8943 Labor. Work. Working class (153)
        HD4861-4895 Labor systems (3)
        HD4909-5100.9 Wages (2)
        HD5106-5267 Hours of labor Including overtime, shift work, sick leave, vacations (5)
        HD5306-5474 Labor disputes. Strikes and lockouts (2)
        HD5650-5660 Employee participation in management. Employee ownership. Industrial democracy. Works councils (6)
        HD5701-6000.9 Labor market. Labor supply. Labor demand Including unemployment, manpower policy, occupational training, employment agencies (22)
        HD6050-6305 Classes of labor Including women, children, students, middle-aged and older persons, minorities (23)
        HD6350-6940.7 Trade unions. Labor unions. Workers' associations (16)
        HD6941-6948 Employers' associations (2)
        HD6951-6957 Industrial sociology. Social conditions of labor (3)
        HD6958.5-6976 Industrial relations (2)
        HD6977-7080 Cost and standard of living (2)
        HD7088-7252 Social insurance. Social security. Pension (5)
        HD7255-7256 Vocational rehabilitation. Employment of people with disabilities (2)
        HD7260-7780.8 Industrial hygiene. Industrial welfare (8)
        HD7795-8027 Labor policy. Labor and the state (3)
        HD8038 Professions (General). Professional employees (19)
        HD8039 By industry or trade (2)
        HD8045-8943 By region or country (5)
      - HD72-88 Economic growth, development, planning (10)
      - HD9000-9999 Special industries and trades (32)
        HD9000-9495 Agricultural industries (13)
        HD9502-9502.5 Energy industries. Energy policy. Fuel trade (2)
        HD9506-9624 Mineral industries. Metal trade (2)
        HD9650-9663 Chemical industries (1)
        HD9680-9714 Mechanical industries Including electric utilities, electronic industries, and machinery (2)
        HD9715-9717.5 Construction industry (3)
        HD9720-9975 Manufacturing industries (3)
        HD9999 Miscellaneous industries and trades (2)
  - HE Transportation and Communications (87)
    - HE1-9990 Transportation and communications (53)
      - HE1001-5600 Railroads. Rapid transit systems (2)
      - HE199-199.5 Freight (General) (1)
      - HE199.9 Passenger traffic (General) (1)
      - HE305-311 Urban transportation (1)
      - HE323-328 Transportation geography. Trade routes (2)
      - HE331-380 Traffic engineering. Roads and highways. Streets (7)
        HE369-373 Traffic surveys (General) (1)
      - HE380.8-971 Water transportation (2)
        HE561-971 Shipping (1)
      - HE5601-5725 Automotive transportation Including trucking, bus lines, and taxicab service (2)
      - HE7601-8700.9 Telecommunication industry. Telegraph (8)
        HE8689-8700.95 Radio and television broadcasting (5)
      - HE9713-9715 Cellular telephone services industry. Wireless telephone industry (4)
      - HE9751-9756 Messenger service (1)
      - HE9761-9900 Air transportation. Airlines (2)
  - HF Commerce (671)
    - HF1-6182 Commerce (238)
      - HF1014 Balance of trade (2)
      - HF1021-1027 Commercial geography. Economic geography (1)
      - HF1040-1054 Commodities. Commercial products (1)
      - HF1701-2701 Tariff. Free trade. Protectionism (1)
      - HF3000-4055 By region or country (2)
      - HF5001-6182 Business (223)
        HF5381-5386 Vocational guidance. Career development (2)
        HF5387-5387.5 Business ethics (3)
        HF5410-5417.5 Marketing. Distribution of products (62)
        HF5419-5422 Wholesale trade (1)
        HF5428-5429.6 Retail trade (3)
        HF5437-5444 Purchasing. Selling. Sales personnel. Sales executives (5)
        HF5469.7-5481 Markets. Fairs (6)
        HF5520-5541 Office equipment and supplies (1)
        HF5546-5548.6 Office management (3)
        HF5548.7-5548.85 Industrial psychology (19)
        HF5549-5549.5 Personnel management. Employment management (48)
        HF5601-5689 Accounting. Bookkeeping (6)
        HF5691-5716 Business mathematics. Commercial arithmetic Including tables, etc. (2)
        HF5717-5734.7 Business communication Including business report writing, business correspondence (2)
        HF5735-5746 Business records management (1)
        HF5801-6182 Advertising (6)
    - HF5601 Accounting (26)
  - HG Finance (372)
    - HG1-9999 Finance (181)
      - HG1501-3550 Banking (44)
        HG1709 Data processing (2)
        HG1710-1710.5 Electronic funds transfers (2)
        HG1723 Bank stocks. Banking as an investment (1)
        HG1811-2351 Special classes of banks and financial institutions (2)
        HG2397-3550 By region or country (7)
      - HG179 Personal finance (7)
      - HG201-1496 Money (6)
        HG258-312 Precious metals. Bullion (2)
      - HG3691-3769 Credit. Debt. Loans Including credit institutions, credit instruments, consumer credit, bankruptcy (12)
      - HG3810-4000 Foreign exchange. International finance. International monetary system (11)
      - HG4001-4285 Finance management. Business finance. Corporation finance (11)
      - HG4301-4480.9 Trust services. Trust companies (1)
      - HG4501-6051 Investment, capital formation, speculation (67)
        HG4530 Investment companies. Investment trusts. Mutual funds (1)
        HG4538 Foreign investments (2)
        HG4551-4598 Stock exchanges (33)
        HG4701-4751 Government securities. Industrial securities. Venture capital (1)
        HG4900-5993 By region or country (4)
      - HG8011-9999 Insurance (4)
        HG8501-8745 By region or country (1)
        HG8751-9295 Life insurance (1)
  - HJ Public Finance (32)
    - HJ9-9940 Public finance (19)
      - HJ2005-2216 Income and expenditure. Budget (4)
      - HJ2240-5908 Revenue. Taxation. Internal revenue (6)
        HJ4629-4830 Income tax (1)
      - HJ7461-7980 Expenditures. Government spending (2)
      - HJ8001-8899 Public debts (1)
      - HJ9701-9940 Public accounting. Auditing (3)
  - HM Sociology (General) (151)
    - HM(1)-1281 Sociology (102)
      - HM1001-1281 Social psychology (14)
        HM1041-1101 Social perception. Social cognition Including perception of the self and others, prejudices, stereotype (3)
        HM1106-1171 Interpersonal relations. Social behavior (3)
        HM1176-1281 Social influence. Social pressure (1)
      - HM435-477 History of sociology. History of sociological theory (1)
      - HM481-554 Theory. Method. Relations to other subjects (5)
      - HM621-656 Culture (34)
      - HM701 Social systems (3)
      - HM706 Social structure (2)
      - HM711-806 Groups and organizations (23)
        HM756-781 Community (12)
        HM786-806 Organizational sociology. Organization theory (4)
      - HM826 Social institutions (1)
      - HM831-901 Social change (7)
  - HN Social history and conditions. Social problems. Social reform (71)
    - HN1-995 Social history and conditions. Social problems. Social reform (12)
      - HN41-46 Community centers. Social centers (1)
      - HN50-995 By region or country (5)
  - HQ The family. Marriage. Woman (209)
    - HQ1-2044 The Family. Marriage. Women (143)
      - HQ1088-1090.7 Men (1)
      - HQ1101-2030.7 Women. Feminism (32)
        HQ1871-2030.7 Women's clubs (2)
      - HQ12-449 Sexual life (4)
        HQ19-30.7 Sexual behavior and attitudes. Sexuality (1)
        HQ75-76.8 Homosexuality. Lesbianism (2)
      - HQ2042-2044 Life style (1)
      - HQ503-1064 The family. Marriage. Home (96)
        HQ1060-1064 Aged. Gerontology (Social aspects). Retirement (10)
        HQ750-755.5 Eugenics (1)
        HQ755.7-759.92 Parents. Parenthood Including parent and child, husbands, fathers, wives, mothers (11)
        HQ760-767.7 Family size (1)
        HQ767.8-792.2 Children. Child development Including child rearing, child life, play, socialization, children's rights (8)
        HQ793-799.2 Youth. Adolescents. Teenagers (40)
        HQ799.5-799.9 Young men and women (3)
        HQ799.95-799.97 Adulthood (1)
        HQ801-801.83 Man-woman relationships. Courtship. Dating (4)
        HQ981-996 Polygamy (1)
  - HS Societies: secret, benevolent, etc. (3)
    - HS1-3371 Societies: secret, benevolent, etc. (1)
      - HS1501-2460.7 Other societies. By classes (1)
        HS1525-1560 Religious societies (1)
  - HT Communities. Classes. Races (138)
    - HT51-1595 Communities. Classes. Races (70)
      - HT101-395 Urban groups. The city. Urban sociology (16)
        HT165.5-169.9 City planning (5)
        HT170-178 Urban renewal. Urban redevelopment (1)
        HT201-221 City population: Including children in cities, immigration (3)
        HT231 Effect of city life (1)
        HT361-384 Urbanization. City and country (1)
        HT390-395 Regional planning (2)
      - HT1501-1595 Races: Including race as a social group and race relations in general (9)
      - HT401-485 Rural groups. Rural sociology (1)
      - HT51-65 Human settlements. Communities (23)
      - HT601-1445 Classes (3)
        HT621-635 Origin of social classes (1)
        HT851-1445 Slavery (2)
  - HV Social pathology. Social and public welfare. Criminology (128)
    - HV1-9960 Social pathology. Social and public welfare. Criminology (82)
      - HV40-69 Social service. Social work. Charity organization and practice Including social case work, private and public relief, institutional care, rural social work, work relief (6)
      - HV5001-5720.5 Alcoholism. Intemperance. Temperance reform (1)
      - HV541 Women and charity (1)
      - HV551.2-639 Emergency management (5)
        HV553-639 Relief in case of disasters (5)
        HV599-639 Special types of disasters (4)
      - HV5725-5770 Tobacco habit (4)
      - HV5800-5840 Drug habits. Drug abuse (12)
      - HV6001-7220.5 Criminology (13)
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