Browse by Subject

Please select a value to browse from the list below.

Library of Congress Subject Areas (7600)
- A General Works (38)
  - AC Collections. Series. Collected works (4)
    - AC1-195 Collections of monographs, essays, etc. (4)
      - AC1-8 American and English (2)
      - AC9-195 Other languages (2)
  - AG Dictionaries (3)
  - AI Indexes (General) (1)
  - AM Museums (General). Collectors and collecting (General) (1)
  - AN Newspapers (19)
  - AS Academies and learned societies (General) (4)
    - AS2.5-4 International associations, congresses, conferences, etc. (3)
  - AY Yearbooks. Almanacs. Directories (1)
    - AY10-29 Annuals (1)
  - AZ History of Scholarship The Humanities (4)
    - AZ191-193 Evaluation (1)
    - AZ200-361 History (3)
- B Philosophy.Psychology.Religion (8)
  - BF Psychology (3)
    - BF501-505 Motivation (3)
  - BJ Ethics (2)
  - BL Religion (2)
  - BS The Bible (1)
- C Auxiliary Sciences of History (4)
  - CB History of civilization (3)
    - CB158-161 Forecasts of future progress (1)
  - CT Biography (1)
- D History General and Old World (4)
  - D History (General) (1)
    - D204 Modern History (1)
  - DS Asia (3)
    - DS13-28 Ethnography (3)
- E History America (1)
  - E11 America (General) (1)
- G Geography. Anthropology. Recreation (181)
  - G Geography (General) (35)
    - G1-922 Geography (General) (34)
      - G149-180 Travel. Voyages and travels (General) (33)
        G154.9-155.8 Travel and state. Tourism (29)
      - G200-336 History of discoveries, explorations, and travel (1)
      - G70-70.6 Philosophy. Relation to other topics. Methodology (1)
    - G3180-9980 Maps (1)
  - GN Anthropology (32)
    - GN301-674 Ethnology. Social and cultural anthropology (32)
      - GN357-367 Culture and cultural processes Including social change, structuralism, diffusion, etc. (19)
      - GN406-517 Cultural traits, customs, and institutions (4)
        GN478-491.7 Social organization (2)
        GN502-517 Psychological anthropology (1)
      - GN537-674 Ethnic groups and races (8)
  - GR Folklore (22)
  - GT Manners and customs (1)
    - Houses. Dwellings (1)
  - GV Recreation Leisure (94)
    - GV1199-1570 Games and amusements (91)
      - GV1221-1469.63 Indoor games and amusements (70)
        GV1469.15-1469.62 Computer games. Video games. Fantasy games (70)
    - GV733-734.5 Professionalism in sports. Professional sports (General) (2)
- H Social Sciences (3492)
  - H Social Sciences (General) (41)
  - HA Statistics (1)
    - HA154-4737 Statistical data (1)
  - HB Economic Theory (7)
    - HB131-147 Methodology (1)
      - HB135-147 Mathematical economics. Quantitative methods Including econometrics, input-output analysis, game theory (1)
    - HB201-206 Value. Utility (2)
    - HB3711-3840 Business cycles. Economic fluctuations (1)
    - HB522-715 Income. Factor shares (3)
      - HB601 Profit (1)
      - HB615-715 Entrepreneurship. Risk and uncertainty. Property (2)
  - HD Industries. Land use. Labor (2048)
    - HD1401-2210 Agriculture (1)
    - HD2321-4730.9 Industry (6)
      - HD2340.8-2346.5 Small and medium-sized businesses, artisans, handicrafts, trades (3)
    - HD2350.8-2356 Large industry. Factory system. Big business (19)
      - HD2709-2930.7 Corporations (14)
      - HD2951-3575 Cooperation. Cooperative societies (1)
    - HD28 Management. Industrial Management (1015)
      - HD39-40.7 Capital. Capital investments (9)
      - HD41 Competition (2)
      - HD45-45.2 Technological innovations. Automation (5)
      - HD47-47.4 Costs (3)
      - HD49-49.5 Crisis management. Emergency management. Inflation (7)
      - HD50-50.5 Delegation of authority. Decentralization (1)
      - HD56-57.5 Industrial productivity (27)
      - HD58 Location of industry (1)
      - HD58.7-58.95 Organizational behavior, change and effectiveness. Corporate culture (51)
      - HD59-59.9 Marketing and Publicity (592)
        HD59.1 Business Markets (38)
        HD59.2 Consumer Behaviour (18)
        HD59.3 Retailing Management (13)
        HD59.4 Integrated Marketing Communication (55)
        HD59.5 Personal Selling. Sales (20)
        HD59.6 Advertising. Public Relations (94)
        HD59.7 Customer Relationship Management (73)
        HD59.8 Campaign (136)
        HD59.9 Brand (40)
      - HD60-60.5 Social responsibility of business (49)
        HD60.1 C Corporate social responsibility (48)
      - HD61 Risk in industry. Risk management (5)
      - HD62 Standardization. Simplification. Waste (6)
      - HD62.2-62.8 Management of special enterprises (21)
      - HD65 Marketing Management (84)
      - HD66-66.2Work groups. Team work in industry. Quality circles (3)
        HD69 business consultants, capacity, size of industries, etc (1)
      - HD67 Operation Management (82)
        HD67.1 Project Management (5)
        HD67.2 Forecasting (5)
        HD67.3 Total Quality Management (7)
        HD67.4 Supply Chain (4)
        HD67.5 Inventory Management (32)
    - HD30 Strategic Communication (1193)
      - HD30.1 Media Relations (39)
      - HD30.2 Branding (242)
        HD30.21 Personal Branding (45)
        HD30.22 Corporate Branding (62)
      - HD30.3 Event Management (121)
        HD30.31 Special Event (64)
        HD30.32 Event Promotion (4)
      - HD30.4 Marketing Public Relations (188)
      - HD30.5 Media Marketing (109)
      - HD30.6 Marketing Communication (52)
    - HD4801-8943 Labor. Work. Working class (83)
      - HD4861-4895 Labor systems (1)
      - HD5650-5660 Employee participation in management. Employee ownership. Industrial democracy. Works councils (72)
      - HD5701-6000.9 Labor market. Labor supply. Labor demand (2)
      - HD6941-6948 Employers' associations (1)
      - HD6951-6957 Industrial sociology. Social conditions of labor (1)
      - HD8031 Labor in politics. Political activity of the working class (1)
      - HD8038 Professions (General). Professional employees (8)
    - HD9000-9999 Special industries and trades (26)
      - HD9502-9502.5 Energy industries. Energy policy. Fuel trade (1)
      - HD9506-9624 Mineral industries. Metal trade (1)
      - HD9650-9663 Chemical industries (1)
      - HD9720-9975 Manufacturing industries (23)
  - HF Commerce (476)
    - HF1040-1054 Commodities. Commercial products (5)
    - HF294-343 Boards of trade. Chambers of commerce. Merchants' associations (4)
    - HF5001-6182 Business (327)
      - HF5410-5417.5 Marketing. Distribution of products (126)
      - HF5428-5429.6 Retail trade (3)
      - HF5429.7-5430.6 Shopping centers. Shopping malls (6)
      - HF5437-5444 Purchasing. Selling. Sales personnel. Sales executives (18)
      - HF5460-5469.5 Department stores. Mail order business. Supermarkets. Convenience stores (2)
      - HF5469.7-5481 Markets. Fairs (3)
      - HF5484-5495 Warehouses. Storage (10)
      - HF5546-5548.6 Office management (3)
      - HF5549-5549.5 Personnel management. Employment management (43)
      - HF5601-5689 Accounting. Bookkeeping (7)
      - HF5691-5716 Business mathematics. Commercial arithmetic Including tables, etc (1)
      - HF5717-5734.7 Business communication (14)
      - HF5761-5780 Shipment of goods. Delivery of goods (6)
      - HF5801-6182 Advertising (41)
    - HF7 E-Commerce (145)
      - HF71 Computer network measures (3)
      - HF73 Employees (76)
      - HF74 Information Resources (1)
      - HF76 Management (7)
      - HF79 Information Technology. Economic Aspects (10)
      - HF80 Internet Advertising (1)
      - HF81 Internet Marketing (7)
      - HF82 Social Media Marketing (1)
      - HF83 Web Design (10)
  - HG Finance (394)
    - HG1501-3550 Banking (35)
      - HG1656 Bank reserves. Bank liquidity. Loan loss reserves (1)
      - HG1660 Bank accounts. Bank deposits. Deposit banking (2)
      - HG1706-1708 Accounting. Bookkeeping (7)
      - HG1709 Data processing (1)
      - HG1723 Bank stocks. Banking as an investment (5)
      - HG1725-1778 Banks and the state. State supervision of banks (2)
      - HG1811-2351 Special classes of banks and financial institutions (2)
    - HG178 Liquidity (7)
    - HG179 Personal finance (12)
    - HG3691-3769 Credit. Debt. Loans (4)
    - HG3810-4000 Foreign exchange. International finance. International monetary system (27)
    - HG4001-4285 Finance management. Business finance. Corporation finance (63)
    - HG4501-6051 Investment, capital formation, speculation (183)
      - HG4530 Investment companies. Investment trusts. Mutual funds (10)
      - HG4538 Foreign investments (5)
      - HG4551-4598 Stock exchanges (42)
      - HG4621 Stockbrokers. Security dealers. Investment advisers (2)
      - HG6001-6051 Speculation (1)
    - HG8011-9999 Insurance (1)
      - HG8205-8220 Government insurance (1)
  - HJ Public Finance (392)
    - HJ2005-2216 Income and expenditure. Budget (2)
    - HJ2240-5908 Revenue. Taxation. Internal revenue (125)
      - HJ2321-2323 Tax incidence. Tax shifting. Tax equity (28)
      - HJ2326-2327 Progressive taxation (2)
      - HJ2338 Taxation of government property (4)
      - HJ2351 Inflation and taxation (1)
      - HJ2351.4 Tax revenue estimating (8)
      - HJ4113-4601 Property tax (11)
      - HJ4629-4830 Income tax (14)
      - HJ4919-4936 Capitation. Poll tax (3)
      - HJ5309-5510 Administrative fees. User charges. License fees (2)
    - HJ8001-8899 Public debts (2)
    - HJ9103-9695 Local finance. Municipal finance (13)
    - HJ9701-9940 Public accounting. Auditing (226)
    - HJ9702 Accounting Information Systems (21)
  - HM Sociology (191)
    - HM1001-1281 Social psychology (85)
      - HM1041-1101 Social perception. Social cognition (24)
      - HM1106-1171 Interpersonal relations. Social behavior (57)
      - HM1176-1281 Social influence. Social pressure (1)
    - HM481-554 Theory. Method. Relations to other subjects (21)
      - HM482 Research Method (21)
        HM482-1 Phenomenologhy (11)
        HM482-2 Case Study (4)
        HM482-3 Ethnography (6)
    - HM621-656 Culture (62)
    - HM631-656 Intercultural (6)
    - HM661-696 Social control (2)
    - HM701 Social systems (6)
    - HM711-806 Groups and organizations (38)
      - HM756-781 Community (32)
      - HM786-806 Organizational sociology. Organization theory (4)
    - HM831-901 Social change (5)
  - HQ The family. Marriage. Woman (93)
    - HQ1101-2030.7 Women. Feminism (11)
    - HQ12-449 Sexual life (13)
      - HQ101-440.7 Prostitution (1)
      - HQ19-30.7 Sexual behavior and attitudes. Sexuality (2)
      - HQ31-64 Sex instruction and sexual ethics (1)
      - HQ75-76.8 Homosexuality. Lesbianism (5)
      - HQ77.7-77.95 Transexualism (1)
    - HQ2035-2039 Life skills. Coping skills. Everyday living (1)
    - HQ2042-2044 Life style (2)
    - HQ503-1064 The family. Marriage. Home (63)
      - HQ1001-1006 The state and marriage (5)
      - HQ1002 Intercultural Marriage (18)
      - HQ755.7-759.92 Parents. Parenthood Including parent and child, husbands, fathers, wives, mothers (10)
      - HQ760-767.7 Family size (1)
      - HQ767.8-792.2 Children. Child development (11)
      - HQ793-799.2 Youth. Adolescents. Teenagers (1)
      - HQ801-801.83 Man-woman relationships. Courtship. Dating (6)
      - HQ803 Temporary marriage. Trial marriage. Companionate marriage (2)
      - HQ811-960.7 Divorce (4)
      - HQ961-967 Free love (1)
      - HQ981-996 Polygamy (1)
  - HS Societies secret benevolent etc (1)
    - HS1501-2460.7 Other societies. By classes (1)
      - HS2301-2460.7 Political and "patriotic" societies (1)
  - HT Communities. Classes. Races (17)
    - HT101-395 Urban groups. The city. Urban sociology (14)
      - HT165.5-169.9 City planning (4)
      - HT201-221 City population (1)
      - HT231 Effect of city life (2)
      - HT321-325 The city as an economic factor. City promotion (8)
    - HT1501-1595 Races (1)
    - HT401-485 Rural groups. Rural sociology (1)
    - HT601-1445 Classes (1)
  - HV Social pathology. Social and public welfare (70)
    - HV40-69 Social service. Social work. Charity (3)
    - HV541 Women and charity (1)
    - HV547 Self-help groups (1)
    - HV551.2-639 Emergency management (1)
    - HV5800-5840 Drug habits. Drug abuse (1)
    - HV6001-7220.5 Criminology (11)
      - HV6201-6249 Criminal classes (3)
      - HV6251-6773.55 Crimes and offenses (2)
      - HV6774-7220.5 Crimes and criminal classes (1)
    - HV675-677 Accidents. Prevention of accidents (3)
    - HV697-4959 Protection, assistance and relief (45)
      - HV3025-3174 Special classes. By occupation (1)
        HV3025-3163 Mariners (1)
      - HV3176-3199 Special classes. By race or ethnic group (2)
      - HV4701-4890.9 Protection of animals. Animal rights. Animal welfare (3)
      - HV697-3024 Special classes (39)
        HV1421-1441 Young adults. Youth. Teenagers (2)
        HV1442-1448 Women (4)
        HV1449 Gay men. Lesbians (13)
        HV1450-1494 Aged (1)
        HV701-1420.5 Children (20)
        HV873-887 Destitute, neglected, and abandoned children. Street children (1)
        HV888-907 Children with disabilities (8)
        HV899-1 Harassment Children (3)
    - HV7231-9960 Criminal justice administration (5)
      - HV7551-8280.7 Police. Detectives. Constabulary (2)
        HV8031-8080 Police duty. Methods of protection (2)
        HV8079.2-8079.35 Police social work (1)
      - HV8301-9920.7 Penology. Prisons. Corrections (1)
  - HX Socialism. Communism. Anarchism (1)
    - HX821-970.9 Anarchism (1)
  - HE Transportation and Communications (117)
    - HE1-9990 Transportation and communications (116)
      - HE305-311 Urban transportation (9)
      - HE323-328 Transportation geography. Trade routes (1)
      - HE331-380 Traffic engineering. Roads and highways. Streets (1)
      - HE380.8-971 Water transportation (1)
        HE561-971 Shipping (1)
      - HE5601-5725 Automotive transportation Including trucking, bus lines, and taxicab service (1)
      - HE7601-8700.9 Telecommunication industry. Telegraph (72)
        HE8689-8700.95 Radio and television broadcasting (32)
      - HE9713-9715 Cellular telephone services industry. Wireless telephone industry (10)
      - HE9723-9737 Signaling (3)
      - HE9751-9756 Messenger service (1)
      - HE9761-9900 Air transportation. Airlines (5)
- J Political Science (42)
  - JA Political science (General) (3)
  - JC Political theory (2)
    - JC328.6-.65 Violence. Political violence (1)
    - JC49 Islamic state (1)
  - JF Political institutions (General) (19)
    - JF1338-2112 Public administration (15)
      - JF2011-2112 Political parties (15)
    - JF20-1177 General. Comparative government (5)
      - JF225-619 Organs and functions of government (3)
        JF251-289 Executive. Heads of state (2)
        JF331-341 Parliamentary government (1)
      - JF799-1177 Political rights. Political participation (2)
  - JQ Political institutions Asia (2)
  - JS Local government Municipal government (17)
    - JS221-227 Elections. Local elections. Municipal elections (14)
  - JZ International relations (1)
    - JZ5511.2-6300 Promotion of peace. Peaceful change (1)
      - JZ5514-5526 Societies, associations, academies, institutes, etc., for peace promotion, research and education (1)
- K Law (10)
  - K Law (General) (10)
    - K520-5582 Comparative law. International uniform law (10)
      - K1000-1395 Commercial law (2)
        K1024-1132 Commercial contracts (2)
        K1094-1096 Loan of money (1)
        K1112-1116 Investments (1)
      - K1401-1578 Intellectual property (2)
        K1411-1485 Copyright (1)
        K1500-1578 Industrial property (1)
      - K3154-3370 Constitutional law (1)
        K3289-3367 Organs of government (1)
        K3290-3304 The people. Election law (1)
      - K3566-3578 Public health (1)
      - K3625-3649 Food. Drugs. Cosmetics (1)
      - K3840-4375 Regulation of industry, trade, and commerce. Occupational law (1)
        K3926-3935 Food processing industries (1)
      - K4430-4675 Public finance (2)
        K4650-4675 State and local finance (2)
- L Education (140)
  - L Education (General) (21)
    - L111-791 Official documents, reports, etc. (8)
    - L797-898 Educational exhibitions and museums (1)
    - L900-991 Directories of educational institutions (1)
  - LA History of education (2)
    - LA173-186 Higher education (2)
  - LB Theory and practice of education (114)
    - LB1025-1050.75 Teaching (Principles and practice) (2)
      - LB1049.9-1050.75 Reading (General) (1)
    - LB1101-1139 Child study (1)
    - LB1555-1602 Elementary or public school education (1)
    - LB1603 Secondary Education. High schools (1)
    - LB1705-2286 Education and training of teachers and administrators (3)
      - LB1805-2151 State teachers colleges (1)
    - LB2300 Higher Education (103)
      - LB2326.4-2330 Institutions of higher education (93)
      - LB2331.7-2335.8 Teaching personnel (1)
      - LB2366-2367.75 College examinations (1)
      - LB2371-2372 Graduate education (16)
      - LB2381-2391 Academic degrees (4)
    - LB2799-2799.3 Educational consultants and consulting (1)
    - LB2801-3095 School administration and organization (2)
      - LB3011-3095 School management and discipline (2)
        LB3050-3060.87 Educational tests, measurements, evaluations and examinations (1)
    - LB3602-3640 School life. Student manners and customs (1)
  - LC Special aspects of education (1)
    - LC5201 Education extension. Adult education. Continuing education (1)
  - LH College and School magazines and papers (1)
- M Music and Books on Music (49)
  - M Music (49)
    - M1.A5-3.3 Collections (2)
      - M2-2.3 Musical sources (2)
    - M1495-2199 Vocal music (2)
    - M5-1480 Instrumental music (12)
      - M1200-1270 Band (1)
      - M1470-1480 Aleatory music. Electronic music. Mixed media (1)
      - M176 Motion picture music (9)
      - M176.5 Radio and television music (1)
- N Fine Arts (2385)
  - N Visual arts (1282)
    - N400-3990 Art museums, galleries, etc. (44)
    - N4390-5098 Exhibitions (9)
    - N5300-7418 History (3)
    - N61-72 Theory. Philosophy. Aesthetics of the visual arts (78)
    - N7420-7525.8 General works (2)
    - N7560-8266 Special subjects of art (21)
    - N81-390 Study and teaching. Research (19)
    - N90 Movies (90)
  - NA Architecture (13)
    - NA190-1555.5 History (1)
    - NA2695-2793 Architectural drawing and design (7)
    - NA7100-7884 Domestic architecture. Houses. Dwellings (1)
    - NA9000-9428 Aesthetics of cities. City planning and beautifying (2)
  - NB Sculpture (2)
    - NB1160-1195 Designs and technique (2)
  - NC Drawing Design Illustration (1445)
    - NC1800-1850 Posters (72)
    - NC1860-1896 Greeting cards, postcards, invitations, books, jackets, etc. (146)
    - NC1920-1940 Copying, enlarging, and reduction of drawings (2)
    - NC200 Graphic Design (103)
    - NC390-670 Study and teaching (10)
    - NC400 Typography (7)
    - NC673-677 Competitions (2)
    - NC703-725 General works (5)
    - NC730-758 Technique (27)
    - NC760-825 Special subjects (4)
    - NC845-915 Graphic art materials (58)
    - NC930 Conservation and restoration of drawings (23)
    - NC950 Illustration (277)
    - NC996 Animation (355)
    - NC997-1003 Commercial art. Advertising art (39)
  - ND Painting (15)
    - ND1380-1383 Animals. Birds (2)
    - ND1400-1403 Flowers. Fruit. Trees (1)
    - ND1410-1460 Other subjects (2)
    - ND1700-2495 Watercolor painting (1)
    - ND2889-3416 Illuminating of manuscripts and books (3)
    - ND510 Colours (6)
  - NE Print media (51)
    - NE1-978 Printmaking and engraving (1)
  - NK Decorative arts Applied arts Decoration and ornament (29)
    - NK1135-1149.5 Arts and crafts movement (1)
    - NK1160-1590 Decoration and ornament. Design (20)
      - NK1548-1590 Special subjects for design (10)
    - NK2200-2750 Furniture (1)
    - NK3600-(9990) Other arts and art industries (3)
      - NK4700-4890 Costume (2)
  - NX Arts in general (227)
    - NX280-410 Study and teaching. Research (5)
    - NX650-694 Special subjects, characters, persons, religious arts, etc. (218)
    - NX798-820 Arts centers and facilities (3)
- P Language and Literature (1050)
  - P Philology. Linguistics (645)
    - P101-410 Language. Linguistic theory. Comparative grammar (8)
      - P118-118.75 Language acquisition (1)
      - P201-299 Comparative grammar (2)
      - P306-310 Translating and interpreting (3)
    - P87-96 Communication. Mass media (477)
      - P94.7 Interpersonal communication (148)
      - P95-95.6 Oral communication. Speech (3)
    - P98-98.5 Computational linguistics. Natural language (2)
    - P99-99.4 Semiotics. Signs and symbols (122)
    - P99.5-99.6 Nonverbal communication (21)
    - P99.7 Framing Analysis (136)
  - PL Languages and literatures of Eastern Asia, Africa, Oceania (2)
    - PL501-889 Japanese language and literature (2)
  - PN Literature (General) (573)
    - PN1990 Broadcasting (196)
      - PN1991-1991.9 Radio broadcasts (24)
      - PN1992-1992.92 Television broadcasts (152)
      - PN1993-1 Violation Broadcasting (6)
    - PN1993 Motion Pictures (7)
    - PN2000-3307 Dramatic representation. The theater (3)
      - PN2061-2071 Art of acting (1)
      - PN2131-2193 By period (1)
        PN2152-2160 Medieval (1)
    - PN3311-3503 Prose. Prose fiction (1)
    - PN4699-5650 Journalism. The periodical press, etc. (389)
      - PN4735-4748 Relation to the state. Government and the press. (2)
      - PN4775-4784 Technique. Practical journalism (50)
      - PN4825-4830 Amateur journalism (63)
      - PN4832-4836 Magazines and other periodicals (122)
      - PN4840 Online Journalism (81)
    - PN59-72 Study and teaching (2)
  - PZ Childrens literature (16)
- Q Science (66)
  - QA Mathematics (62)
    - QA75 Electronic computers. Computer science (24)
    - QA76 Computer software (41)
  - QE Geology (1)
    - QE500-639.5 Dynamic and structural geology (1)
      - QE521-545 Volcanoes and earthquakes (1)
  - QH Natural history (2)
    - QH426 Genetics (2)
  - QK Botany (1)
  - QM Human anatomy (1)
- R Medicine (65)
  - R858-859.7 Computer applications to medicine. Medical informatics (35)
  - RA Public aspects of medicine (15)
    - RA0421 Public health. Hygiene. Preventive Medicine (12)
    - RA1001 Forensic Medicine. Medical jurisprudence. Legal medicine (1)
  - RC Internal medicine (3)
    - RC0254 Neoplasms. Tumors. Oncology (including Cancer) (1)
    - RC581-951 Specialties of internal medicine (2)
      - RC799-869 Diseases of the digestive system. Gastroenterology (1)
  - RE Ophthalmology (1)
    - RE918-921 Color vision tests, charts, etc. (1)
  - RG Gynecology and obstetrics (1)
    - RG500-991 Obstetrics (1)
      - RG648 Spontaneous abortion. Miscarriage (1)
  - RK Dentistry (3)
    - RK301-493 Oral and dental medicine. Pathology. Diseases (1)
  - RL Dermatology (1)
  - RM Therapeutics. Pharmacology (1)
  - RS Pharmacy and materia medica (1)
- S Agriculture (2)
  - SB Plant culture (1)
- T Technology (1736)
  - T Technology (General) (1119)
    - T10.5-11.9 Communication of technical information (105)
    - T11.95-12.5 Industrial directories (5)
      - T55-55.3 Industrial safety. Industrial accident prevention (4)
    - T173.2-174.5 Technological change (45)
    - T55 Industrial engineering. Management engineering (1085)
      - T57-57.97 Applied mathematics. Quantitative methods (17)
        T57.6-57.97 Operations research. Systems analysis (8)
      - T58.4 Managerial control systems (26)
      - T58.5-58.64 Information technology (652)
        T58.59 Algorithm (180)
        T58.61 Java (4)
      - T58.6-58.62 Management information systems (145)
      - T58.7-58.8 Production capacity. Manufacturing capacity (1)
      - T59-59.2 Standardization (3)
      - T59.5 Automation (31)
      - T59.7-59.77 Human engineering in industry. Man-machine systems (51)
      - T60-60.8 Work measurement. Methods engineering (6)
      - T70 Information System (404)
        T710.1 COBIT (14)
    - T61-173 Technical education. Technical schools (3)
  - TA Engineering (General). Civil engineering (General) (2)
    - TA190-194 Management of engineering works (1)
    - TA495 Disasters and engineering (1)
  - TD Environmental technology. Sanitary engineering (3)
    - TD172-193.5 Environmental pollution (1)
    - TD878-894 Special types of environment Including soil pollution, air pollution, noise pollution (1)
    - TD895-899 Industrial and factory sanitation (1)
      - TD896-899 Industrial and factory wastes (1)
  - TE Highway engineering. Roads and pavements (4)
    - TE175-176.5 Highway design. Interchanges and intersections (1)
    - TE279 Streets (1)
  - TF Railroad engineering and operation (1)
  - TH Building construction (5)
    - TH1000-1725 Systems of building construction (1)
    - TH2025-3000 Details in building design and construction (3)
  - TJ Mechanical engineering and machinery (5)
    - TJ1125-1345 Machine shops and machine shop practice (1)
    - TJ163.26-163.5 Energy conservation (2)
    - TJ210.2-211.47 Mechanical devices and figures. Automata. Ingenious mechanisms. Robots (General) (2)
    - TJ807-830 Renewable energy sources (2)
  - TK Electrical engineering. Electronics Nuclear engineering (79)
    - TK1001-1841 Production of electric energy or power. Powerplants. Central stations (1)
    - TK2896-2985 Production of electricity by direct energy conversion (2)
    - TK4001-4102 Applications of electric power (2)
    - TK452-454.4 Electric apparatus and materials. Electric circuits. Electric networks (6)
    - TK5101-6720 Telecommunication Including telegraphy, telephone, radio, radar, television (1)
    - TK7800-8360 Electronics (66)
      - TK7885-7895 Computer engineering. Computer hardware (65)
  - TL Motor vehicles. Aeronautics. Astronautics (4)
    - TL1-484 Motor vehicles. Cycles (3)
    - TL500-777 Aeronautics. Aeronautical engineering (1)
  - TN Mining engineering. Metallurgy (2)
    - TN275-325 Practical mining operations. Safety measures (2)
  - TP Chemical technology (4)
    - TP368-456 Food processing and manufacture (2)
    - TP670-699 Oils, fats, and waxes (1)
  - TR Photography (480)
    - TR250-265 Cameras (16)
    - TR287-500 Photographic processing. Darkroom technique (2)
    - TR510-545 Color photography (5)
    - TR550-581 Studio and laboratory (1)
    - TR590-620 Lighting (12)
    - TR624-835 Applied photography Including artistic, commercial, medical photography, photocopying processes (1)
    - TR840 Technique (120)
    - TR845-899 Cinematography. Motion pictures. Film (457)
      - TR850 Producer (55)
      - TR855 Editor (9)
      - TR880 Script (20)
      - TR890 Set Properties (16)
  - TS Manufactures (9)
    - TS155-194 Production management. Operations management (7)
    - TS195-198.8 Packaging (2)
  - TT Handicrafts Arts and crafts (5)
    - TT174-176 Articles for children (3)
    - TT490-695 Clothing manufacture. Dressmaking. Tailoring (1)
  - TX Home economics (53)
    - TX1100-1105 Mobile home living (4)
    - TX1110 Recreational vehicle living (2)
    - TX341-641 Nutrition. Foods and food supply (8)
    - TX642-840 Cooking (1)
    - TX901-946.5 Hospitality industry. Hotels, clubs, restaurants, etc. (35)
    - TX955-985 Building operation and housekeeping (3)
- U Military Science (1)
  - U Military Science (General) (1)
- Z Bibliography. Library Science. Information Resources (175)
  - Z004 Books. Writing. Paleography (14)
    - Z40-104.5 Writing (4)
      - Z41-42.5 Autographs. Signatures (2)
  - Z665 Library Science. Information Science (6)
    - Z687-718.85 The collections. The books (2)
      - Z699-699.5 Machine methods of information and retrieval. (2)
  - Z719 Libraries (General) (4)
  - ZA Information resources (153)
    - ZA4050 Electronic information resources (49)
      - ZA4150-4380 Computer network resources (35)
    - ZA4050-4775 Information in specific formats or media (72)
    - ZA4450 Databases (13)
    - ZA4550-4575 Motion pictures. Video recordings (12)
    - ZA4750-4775 Sound recordings (6)