Browse by Subject

Please select a value to browse from the list below.

Library of Congress Subject Areas (25592)
- A General Works (3)
  - AC Collections. Series. Collected works (1)
  - AM Museums (General). Collectors and collecting (General) (2)
    - AM10-100 By country (2)
- B Philosophy. Psychology. Religion (235)
  - B Philosophy (General) (39)
    - B1-5802 Philosophy (General) (38)
    - B108-708 Ancient (1)
  - BF Psychology (45)
    - BF1-1999 Psychology, Parapsychology, Occult Sciences. (13)
    - BF1-940 Psychology (9)
    - BF1585-1623 Magic, Hermetics, Necromany (1)
    - BF309-499 Consciousness, Cognition, Perception, Intuition (16)
    - BF608-635 Will, Choice, Volition (1)
    - BF697-697.5 Differential psychology. Individuality. Self (3)
  - BJ Ethics (2)
    - BJ1188-1295 Religious Ethics (1)
  - BL Religion (8)
    - BL1-50 Religion (General) (8)
  - BP Islam. Bahaism. Theosophy, etc (141)
    - BP1-253 Islam (134)
    - BP135-136.9 Hadith literature. Traditions. Sunna (1)
    - BP165.5 Dogma (‘Aq~’id) (1)
    - BP174-190 The practice of Islam (5)
- C Auxiliary Sciences of History (32)
  - CC Archaeology (32)
    - CC1-960 Archaeology (32)
- D History General and Old World (406)
  - D History (General) (123)
    - D1-2027 History (General) (76)
    - D901 Europe (General) (29)
  - DS Asia (287)
    - DS1-937 History of Asia (17)
    - DS331-349.9 Southern Asia. Indian Ocean Region (9)
    - DS35.3-35.77 The Islamic World (1)
    - DS401-(486.8) India (Bharat) (3)
    - DS41-66 Middle East. Southwestern Asia. Ancient Orient. Arab East. Near East (21)
    - DS501-518.9 East Asia. The Far East (25)
    - DS520-560.72 Southeast Asia (90)
    - DS591-599 Malaysia. Malay Peninsula. Straits Settlements (107)
    - DS597.36-597.39 Sarawak (2)
    - DS633-644.46 History (5)
    - DS701-799.9 China (14)
- E History America (2)
  - E151 United States (General) (2)
- G Geography. Anthropology. Recreation (780)
  - G Geography (General) (618)
    - G1-922 Geography (General) (581)
    - G154.9-155.8 Travel and state. Tourism (5)
    - G2200-2444.84 Asia (4)
    - G70-70.6 Philosophy. Relation to other topics. Methodology (3)
    - G70.212 Geographic information systems (2)
    - G70.4 Remote sensing (2)
  - GB Physical geography (67)
    - GB3-5030 Physical geography (64)
    - GB561-649 Other natural landforms: Floodplains, caves, deserts, dunes, etc. (1)
    - GB980-992 Watersheds. Runoff. Drainage (1)
  - GC Oceanography (3)
    - GC205-227 Waves (3)
  - GE Environmental Sciences (5)
    - GE300-350 Environmental management (1)
  - GF Human ecology. Anthropogeography (80)
    - GF1-900 Human ecology. Anthropogeography (73)
    - GF125 Cities. Urban geography (2)
    - GF41 Human geography (2)
  - GN Anthropology (6)
    - GN451-477.7 Intellectual life Including communication, recreation, philosophy, religion, knowledge, etc. (1)
  - GT Manners and customs (1)
    - GT5220-5286 Customs relative to transportation and travel (1)
  - GV Recreation Leisure (1)
    - GV1100-1150.9 Fighting sports: Bullfighting, boxing, fencing, etc (1)
- H Social Sciences (2315)
  - H Social Sciences (General) (813)
    - H1-99 Social sciences (General) (763)
    - H61-97 Policy sciences (2)
  - HA Statistics (14)
    - HA1-4737 Statistics (10)
  - HB Economic Theory (28)
    - HB1-3840 Economic theory. Demography (10)
    - HB135-147 Mathematical economics. Quantitative methods (1)
    - HB1951 Population geography (5)
    - HB522-715 Income. Factor shares (1)
    - HB615-715 Entrepreneurship (3)
    - HB848-3697 Demography. Population. Vital events (2)
  - HC Economic History and Conditions (8)
    - HC10-1085 Economic history and conditions (3)
    - HC79 Special topics-Including air pollution, automation,consumer demand, famines, flow of funds,etc. (1)
    - HC94-1085 By region or country (3)
  - HD Industries. Land use. Labor (773)
    - HD101-1395.5 Land use Land tenure (4)
    - HD2340.8-2346.5 Small and medium-sized businesses, artisans,handicrafts, trades (3)
    - HD2709-2930.7 Corporations (4)
    - HD28-70 Management. Industrial Management (716)
    - HD30.28 Strategic planning (2)
    - HD3611-4730.9 Industrial policy. The state and industrial organization Including licensing of occupations and professions, subsidies, inspection, government ownership, municipal services (1)
    - HD5701-6000.9 Labor market. Labor supply. Labor demand (2)
    - HD58 Industrialization (1)
    - HD58.7-58.95 Organizational behavior, change and effectiveness. Corporate culture (14)
    - HD59-59.6 Public relations. Industrial publicity (1)
    - HD61 Risk Management (3)
    - HD62.2-62.8 Management of special enterprises (2)
    - HD6350-6940.7 Trade unions. Labor unions. Workers' associations (2)
    - HD69 Other (1)
    - HD6958.5-6976 Industrial relations (4)
    - HD6977-7080 Cost and standard of living (1)
    - HD7260-7780.8 Industrial hygiene. Industrial welfare (4)
    - HD8039 By industry or trade (1)
    - HD9680-9714 Mechanical industries Including electric utilities, electronic industries, and machinery (1)
    - HD9720-9975 Manufacturing industries (2)
    - HD9980.5 Service industries (1)
  - HE Transportation and Communications (8)
    - HE1-9990 Transportation and communications (4)
    - HE323-328 Transportation geography. Trade routes (2)
    - HE5601-5725 Automotive transportation Including trucking, bus lines, and taxicab service (1)
  - HF Commerce (556)
    - HF1-6182 Commerce (9)
    - HF1021-1027 Commercial geography. Economic geography (6)
    - HF5001-6182 Business (400)
    - HF5410-5417.5 Marketing. Distribution of products (48)
    - HF5428-5429.6 Retail trade (2)
    - HF5437-5444 Purchasing. Selling. Sales personnel. Sales executives (3)
    - HF5546-5548.6 Office management (2)
    - HF5548.8 Psychology, Industrial (1)
    - HF5549-5549.5 Personnel management. Employment (6)
    - HF5601-5689 Accounting Bookkeeping (48)
    - HF5691-5716 Business mathematics. Commercial arithmetic Including tables, etc. (2)
    - HF5801-6182 Advertising (18)
  - HG Finance (81)
    - HG1-9999 Finance (10)
    - HG178 Liquidity (1)
    - HG3810-4000 Foreign exchange. International finance. International monetary system (2)
    - HG4001-4285 Finance management. Business finance.Corporation finance (52)
    - HG4501-6051 Investment, capital formation, speculation (3)
    - HG4551-4598 Stock exchanges (1)
    - HG4900-5993 By region or country (2)
  - HJ Public Finance (16)
    - HJ2240-5908 Revenue. Taxation. Internal revenue (9)
    - HJ9701-9940 Public accounting. Auditing (7)
  - HM Sociology (5)
    - HM811-821 Deviant behavior. Social deviance (1)
  - HN Social history and conditions. Social problems. Social reform (1)
  - HQ The family. Marriage. Woman (6)
    - HQ1101-2030.7 Women. Feminism (2)
    - HQ75-76.8 Homosexuality. Lesbianism (1)
    - HQ760-767.7 Family size (2)
  - HT Communities. Classes. Races (8)
    - HT390-395 Regional planning (5)
    - HT51-1595 Communities. Classes. Races (2)
  - HV Social pathology. Social and public welfare (2)
    - HV5800-5840 Drug habits. Drug abuse (1)
    - HV6251-6773.55 Crimes and offenses (1)
- J Political Science (21)
  - JA Political science (General) (12)
  - JC Political theory (1)
    - JC571-605 Purpose, functions, and relations of the state (1)
  - JF Political institutions (General) (1)
  - JQ Political institutions Asia (5)
    - JQ21-6651 Political institutions and public administration (Asia,Africa, Australia, Pacific Area, etc.) (3)
      - (1)
    - JQ715.S116 Public administration -- Malaysia (1)
  - JZ International relations (1)
- K Law (14)
  - K Law (General) (14)
    - K1024-1132 Commercial contracts (2)
    - K213 Law Language and Translating (1)
    - K4011-4343 Transportation and communication (2)
- L Education (2076)
  - L Education (General) (1006)
    - L7-991 Education (General) (931)
  - LA History of education (3)
    - LA410-2284 Other regions or countries (3)
  - LB Theory and practice of education (137)
    - LB1025-1050.75 Teaching (Principles and practice) (25)
    - LB1101-1139 Child study (1)
    - LB1501-1547 Primary Education (2)
    - LB1555-1602 Elementary or public school education (7)
    - LB1603-1696.6 Secondary Education. High schools (31)
    - LB1705-2286 Education and training of teachers and administrators (4)
    - LB1775-1785 Professional aspects of teaching and school administrators. Vocational guidance (1)
    - LB2300 Higher Education (32)
    - LB2326.4-2330 Institutions of higher education (4)
    - LB2361 Curriculum (3)
    - LB2371-2372 Graduate education (7)
    - LB2801-3095 School administration and organization (8)
    - LB3201-3325 School architecture and equipment. School physical facilities. Campus planning (1)
  - LC Special aspects of education (586)
    - LC1022-1022.25 Computer-assisted education (9)
    - LC4001-4806.5 Children and youth with disabilities. Learning disabled children and youth (1)
    - LC5800-5808 Distance education. (573)
    - LC65-67.68 Economic aspects of education (2)
  - LG Individual institutions (Asia. Africa) (346)
    - LG21-395 Asia (1)
    - LG396.5 Universiti Sains Malaysia (344)
- M Music and Books on Music (11)
  - M Music (2)
  - M1627-1853 Folk, national and ethnic music (1)
  - M6-175.5 One solo instrument (1)
- N Fine Arts (234)
  - N Visual arts (General) For photography, see TR (170)
    - N1-(9211) Visual arts (42)
  - NA Architecture (3)
    - NA7100-7884 Domestic architecture. Houses. Dwellings (1)
  - NB Sculpture (2)
    - NB1910-1952 Special subjects (1)
  - ND Painting (1)
    - ND1290-1293 Human figure (1)
  - NK Decorative arts Applied arts Decoration and ornament (1)
  - NX Arts in general (58)
    - NX1-820 Arts in general (58)
- P Language and Literature (2516)
  - P Philology. Linguistics (1606)
    - P325-325.5 Semantics (13)
    - P1-1091 Philology. Linguistics(General) (640)
    - P101-410 Language. Linguistic theory. Comparative grammar (93)
    - P134 Contrastive linguistics (4)
    - P221 Phonology and Phonetics (5)
    - P302-302.87 Discourse analysis (8)
    - P306-310 Translating and interpreting (18)
    - P40 Sociolinguistics (1)
    - P87-96 Communication. Mass media (817)
    - P98-98.5 Computational linguistics. Natural language processing (2)
    - PE1585 English language -Semantics (1)
  - PA Classical philology (18)
    - PA3000-3049 Classical literature, (8)
    - PA3520-3564 Criticism, interpretation, etc. (10)
  - PE English (192)
    - PE1-3729 English (120)
    - PE1001-1693 Modern English (72)
  - PJ Semitic (6)
    - PJ6073-7144 Language (2)
    - PJ7051-7144 Modern (1)
    - PJ7501-8517 Arabic literature (2)
  - PL Languages and literatures of Eastern Asia, Africa, Oceania (70)
    - PL1001-1960 Chinese language (2)
    - PL1001-3208 Chinese language and literature (2)
    - PL3512 Malaysian literature (35)
    - PL5051-5497 Malayan (Indonesian) languages (22)
  - PN Literature (General) (624)
    - PN1008.2-1009.5 Juvenile(Children’s) literature, (23)
    - PN1-6790 Literature (General) (445)
    - PN1010-1525 Poetry (15)
    - PN146 Authorship (1)
    - PN1600-3307 Drama (5)
    - PN1865-1988 Special types (2)
    - PN1990 Broadcasting (2)
    - PN1993-1999 Motion pictures (30)
    - PN2000 Dramatic representation. The Theater (44)
    - PN241-241.5 Translating as a literary pursuit (14)
    - PN4699-5650 Journalism. The periodical press, etc (2)
    - PN4775-4784 Technique. Practical journalism (32)
- Q Science (7702)
  - Q Science (General) (45)
    - Q1-295 General (8)
    - Q1-390 Science (General) (2)
    - Q111 Series of Monographs, Serial Collections (1)
    - Q223-227 Communication in Science (1)
    - Q300-390 Cybernetics (3)
    - Q335 Artificial intelligence (1)
  - QA Mathematics (2187)
    - QA1 Mathematics (General) (1122)
    - QA1-939 Mathematics (99)
    - QA101-145 Elementary Mathematics, Arithmetic (1)
    - QA11-14 Study and Teaching, Research (1)
    - QA150-272.5 Algebra (14)
    - QA184-205 Linear and Multilinear Algebra, Matrices (6)
    - QA211-218 Theory of Equations (4)
    - QA273-280 Probabilities. Mathematical statistics (19)
    - QA276-280 Mathematical Analysis (5)
    - QA297-299.4 Numerical Analysis (2)
    - QA299.6-433 Analysis (21)
    - QA303-316 Calculus (10)
    - QA331-355 Theory of Functions (2)
    - QA370-387 Differential Equations (2)
    - QA440-699 Geometry (4)
    - QA564-581 Algebraic Geometry (1)
    - QA601-608 Transformations, Correspondences, and General Methods for Algebraic Configurations (1)
    - QA75-76.95 Calculating Machines (72)
    - QA75.5-76.95 Electronic computers. Computer science (629)
    - QA76.575 Multimedia systems and Internet (1)
    - QA76.6 Electronic digital computers -- Programming (4)
    - QA76.73. Computer algorithms and Data structures (7)
    - QA76.75-76.765 Computer software (54)
    - QA76.87 Artificial intelligence (4)
    - QA76.9.D3 Database management and System design (12)
    - QA76.9.D32 Databases (3)
    - QA76.9.L63 Logic, Symbolic, mathematical and Computer logic (2)
    - QA76.9.M35 Computer science -- Mathematics (11)
    - QA76.9.S88 System analysis and System design (4)
    - QA801-939 Analytic Mechanics (13)
    - QA9-10.3 Mathematical Logic (2)
  - QC Physics (1625)
    - QC1 Physics (General) (1034)
    - QC1-999 Physics (435)
    - QC170-197 Atomic physics Constitution and properties of matter Including molecular physics, relativity, quantum theory, and solid state physics (4)
    - QC251-338.5 Heat (5)
    - QC310 Thermodynamics (22)
    - QC350-467 Optics. Light (5)
    - QC501-766 Electricity and magnetism (8)
    - QC612.S4 Semiconductors (11)
    - QC669-675.8 Electromagnetic theory (5)
    - QC793-793.5 Elementary particle physics (1)
    - QC851-999 Meteorology, Climatology (including the earth's atmosphere) (1)
    - QC980-999 Climatology and Weather (12)
    - QC981 Climate (5)
  - QD Chemistry (1470)
    - QD1-65 General Including alchemy (13)
    - QD1-999 Chemistry (1225)
    - QD146-197 Inorganic chemistry (24)
    - QD241-441 Organic chemistry (46)
    - QD415-436 Biochemistry (9)
    - QD450-801 Physical and theoretical chemistry (27)
    - QD625-655 Radiation chemistry (8)
    - QD701-731 Photochemistry (2)
    - QD71-142 Analytical chemistry (60)
    - QD901-999 Crystallography (8)
  - QE Geology (26)
    - QE1-996.5 Geology (13)
    - QE33.2.R4 Remote sensing (2)
    - QE351-399.2 Mineralogy (6)
    - QE500-639.5 Dynamic and structural geology (1)
    - QE521-545 Volcanoes and earthquakes (1)
    - QE701-760 Paleontology (1)
  - QH Natural history (2205)
    - QH1 Natural history (General - Including nature conservation, geographical distribution) (1227)
    - QH1-278.5 Natural history (General) (17)
    - QH301 Biology (851)
    - QH426-470 Genetics (17)
    - QH540-549.5 Ecology (1)
    - QH573-671 Cytology (4)
    - QH84 Biogeography (2)
  - QK Botany (52)
    - QK1-989 Botany (8)
    - QK495 Angiosperms (8)
    - QK504-(638) Cryptogams (4)
    - QK640-707 Plant anatomy (1)
    - QK710-899 Plant physiology (7)
    - QK900-989 Plant ecology (4)
  - QL Zoology (33)
    - QL1-991 Zoology (1)
    - QL360-599.82 Invertebrates (16)
    - QL614-639.8 Fishes (5)
    - QL640-669.3 Reptiles and amphibians (1)
    - QL671-699 Birds (1)
    - QL700-739.8 Mammals (1)
    - QL750-795 Animal behavior (1)
  - QM Human anatomy (1)
  - QP Physiology (20)
    - QP1-(981) Physiology (1)
    - QP1-345 General Including influence of the environment (1)
    - QP351-495 Neurophysiology and neuropsychology (1)
    - QP501-801 Animal biochemistry (16)
  - QR Microbiology (40)
    - QR1-502 Microbiology (18)
    - QR180-189.5 Immunology (2)
    - QR355 Virology (2)
    - QR75-99.5 Bacteria (12)
    - QR99.6-99.8 Cyanobacteria (1)
- R Medicine (1496)
  - R Medicine (General) (102)
    - R5-130.5 General works (6)
    - R5-920 Medicine (General) (46)
    - R735-854 Medical education. Medical schools. Research (38)
    - R856-857 Biomedical engineering. Electronics. Instrumentation (3)
  - RA Public aspects of medicine (15)
    - RA1190-1270 Toxicology. Poisons (2)
    - RA440-440.87 Study and teaching. Research (1)
    - RA643-645 Disease (Communicable and noninfectious) and public health (12)
  - RB Pathology (5)
    - RB151-214 Theories of disease. Etiology. Pathogenesis (1)
    - RB37-56.5 Clinical pathology. Laboratory technique (1)
  - RC Internal medicine (67)
    - RC109-216 Infectious and parasitic diseases (2)
    - RC254-282 Neoplasms. Tumors. Oncology (including Cancer) (3)
    - RC306-320.5 Tuberculosis (1)
    - RC31-1245 Internal medicine (1)
    - RC475-489 Therapeutics. Psychotherapy (1)
    - RC554-569.5 Personality disorders. Behavior problems Including sexual problems, drug abuse,suicide, child abuse (45)
    - RC648-665 Diseases of the endocrine glands. Clinical endocrinology (5)
    - RC666-701 Diseases of the circulatory (Cardiovascular) system (3)
    - RC705-779 Diseases of the respiratory system (1)
    - RC71-78.7 Examination. Diagnosis Including raiography (3)
    - RC870-923 Diseases of the genitourinary system. Urology (2)
  - RD Surgery (4)
    - RD520-599.5 Surgery by region, system, or organ (1)
    - RD701-811 Orthopedic surgery (2)
    - RD92-97.8 Emergency surgery. Wounds and injuries (1)
  - RE Ophthalmology (3)
  - RG Gynecology and obstetrics (1)
    - RG551-591 Pregnancy (1)
  - RJ Pediatrics (3)
    - RJ251-325 Newborn infants Including physiology, care, treatment, diseases (1)
    - RJ370-550 Diseases of children and adolescents (2)
  - RK Dentistry (32)
    - RK1-715 Dentistry (23)
    - RK520-528 Orthodontics (1)
    - RK641-667 Prosthetic dentistry. Prosthodontics (2)
  - RM Therapeutics. Pharmacology (22)
    - RM300-666 Drugs and their actions (15)
    - RM182-190 Other therapeutic procedures Including acupuncture, pneumatic aspiration, spinal puncture, pericardial puncture (1)
    - RM214-258 Diet therapy. Dietary cookbooks (1)
    - RM260-263 Chemotherapy (3)
  - RS Pharmacy and materia medica (1231)
    - RS1-441 Pharmacy and materia medica (1205)
    - RS200-201 Pharmaceutical dosage forms (16)
  - RT Nursing (1)
    - RT89-120 Specialties in nursing (1)
  - RZ Other systems of medicine (10)
- S Agriculture (36)
  - S Agriculture (General) (10)
    - S439 Agricultural geography (1)
    - S622-627 Soil conservation and protection (1)
  - SB Plant culture (18)
    - SB1-1110 Plant culture (2)
    - SB113.2-118.46 Seeds. Seed technology (1)
    - SB183-317 Field crops (3)
    - SB354-402 Fruit and fruit culture (1)
    - SB610-615 Weeds, parasitic plants, etc. (1)
    - SB621-795 Plant pathology (7)
    - SB950-990.5 Pest control and treatment of diseases. Plant protection (2)
  - SD Forestry (1)
  - SF Animal culture (1)
    - SF456-458.83 Fishes. Aquariums (1)
  - SH Aquaculture. Fisheries. Angling (6)
    - SH151-179 Fish culture (3)
    - SH328-329 Fishery management. Fishery policy (1)
- T Technology (7837)
  - T Technology (General) (1367)
    - T1-995 Technology(General) (1206)
    - T11.95-12.5 Industrial directories (1)
    - T351-385 Mechanical drawing. Engineering graphics (1)
    - T55-T55.3 Industrial safety. Industrial accident prevention (14)
    - T55.4-60.8 Industrial engineering. Management engineering (9)
    - T57-57.97 Applied mathematics. Quantitative methods (2)
    - T57.6-57.97 Operations research. Manufacturing capacity (5)
    - T58.5-58.64 Information technology (2)
    - T58.6-58.62 Management information systems (9)
    - T58.7-58.8 Production capacity. Manufacturing capacity (4)
    - T59.5 Automation (7)
    - T61-173 Technical education. Technical schools (1)
  - TA Engineering (General). Civil engineering (General) (1037)
    - TA1-2040 Engineering (General). Civil engineering (General) (770)
    - TA1001-1280 Transportation engineering (9)
    - TA1501-1820 Applied optics. Photonics (4)
    - TA165 Engineering instruments, meters, etc. Industrial instrumentation (1)
    - TA170-171 Environmental engineering (3)
    - TA174 Engineering design (1)
    - TA177.4-185 Engineering economy (2)
    - TA190-194 Management of engineering works (6)
    - TA329-348 Engineering mathematics. Engineering analysis (15)
    - TA349-359 Mechanics of engineering. Applied mechanics (14)
    - TA357 Fluid mechanics (8)
    - TA401-492 Materials of engineering and construction. Mechanics of materials (88)
    - TA404 Composite materials (1)
    - TA417.2 Non-destructive testing (1)
    - TA501-625 Surveying (2)
    - TA545.H216 Surveying & Engineering (4)
    - TA630-695 Structural engineering (General) (13)
    - TA683.9.L431 Prestressed concrete (1)
    - TA703-712 Engineering geology. Rock mechanics. Soil mechanics. (10)
  - TC Hydraulic engineering. Ocean engineering (10)
    - TC1-978 Hydraulic engineering (2)
    - TC1501-1800 Ocean engineering (1)
    - TC401-506 River, lake, and water-supply engineering (General) (4)
    - TC801-978 Irrigation engineering. Reclamation of wasteland. Drainage (1)
  - TD Environmental technology. Sanitary engineering (134)
    - TD1-1066 Environmental technology. Sanitary engineering (32)
    - TD1020-1066 Hazardous substances and their disposal (6)
    - TD169-171.8 Environmental protection (6)
    - TD172-193.5 Environmental pollution (3)
    - TD194-195 Environmental effects of industries and plants (5)
    - TD201-500 Water supply for domestic and industrial purposes (7)
    - TD419-428 Water pollution (8)
    - TD429.5-480.7 Water purification. Water treatment and conditioning. Saline water conversion (12)
    - TD481-493 Water distribution systems (1)
    - TD511-780 Sewage collection and disposal systems. Sewerage (13)
    - TD783-812.5 Municipal refuse. Solid wastes (9)
    - TD878-894 Special types of environment. Including soil pollution, air pollution, noise pollution (10)
    - TD895-899 Industrial and factory sanitation (2)
    - TD896-899 Industrial and factory wastes (4)
  - TE Highway engineering. Roads and pavements (24)
    - TE1-450 Highway engineering. Roads and pavements (12)
    - TE175-176.5 Highway design. Interchanges and intersections (3)
    - TE177-178.8 Roadside development. Landscaping (1)
    - TE210-228.3 Construction details.Including foundations, maintenance, equipment (2)
  - TG Bridge engineering (4)
  - TH Building construction (1524)
    - TH1-9745 Building construction (1403)
    - TH1000-1725 Systems of building construction (3)
    - TH2025-3000 Details in building design and construction (1)
    - TH3031-3411 Maintenance and repair (1)
    - TH6014-6081 Environmental & sanitary engineering of buildings (1)
    - TH7005-7669 Heating and ventilation. Air conditioning (3)
    - TH8001-8581 Decoration and decorative furnishings (2)
    - TH9025-9745 Protection of buildings (1)
  - TJ Mechanical engineering and machinery (370)
    - TJ1 Mechanical engineering and machinery (107)
    - TJ1-1570 Mechanical engineering and machinery (207)
    - TJ1125-1345 Machine shops and machine shop practice (2)
    - TJ163.13-163.25 Power resources (3)
    - TJ163.26-163.5 Energy conservation (5)
    - TJ170-179 Mechanics applied to machinery. Dynamics (14)
    - TJ210.2-211.47 Mechanical devices and figures. Automata. Ingenious mechanisms. Robots (General) (5)
    - TJ212-225 Control engineering systems. Automatic machinery (General) (4)
    - TJ255-265 Heat engines (2)
    - TJ265 Thermodynamics (3)
    - TJ266-267.5 Turbines. Turbomachines (General) (1)
    - TJ751-805 Miscellaneous motors and engines Including gas, gasoline, diesel engines (1)
    - TJ843 Oil hydraulic machinery and Fluid power technology (6)
  - TK Electrical Engineering. Electronics. Nuclear Engineering (1160)
    - TK1-9971 Electrical engineering. Electronics. Nuclear engineering (882)
    - TK1001-1841 Production of electric energy or power. Powerplants. Central stations (24)
    - TK2000-2891 Dynamoelectric machinery and auxiliaries (4)
    - TK301-399 Electric meters (2)
    - TK5101-6720 Telecommunication (34)
    - TK5105 Computer networks and Data transmission systems (7)
    - TK7800-8360 Electronics (132)
    - TK7868.D5 Digital electronics and Electronic circuit design (13)
    - TK7870 Electronic packaging (1)
    - TK7885-7895 Computer engineering. Computer hardware (21)
  - TL Motor vehicles. Aeronautics. Astronautics (319)
    - TL1-4050 Motor vehicles. Aeronautics. Astronautics (230)
    - TL1-484 Motor vehicles. Cycles (2)
    - TL500-777 Aeronautics. Aeronautical engineering (63)
    - TL780-785.8 Rocket propulsion. Rockets (6)
    - TL787-4050 Astronautics. Space travel (5)
  - TN Mining Engineering. Metallurgy (931)
    - TN1-997 Mining engineering. Metallurgy (824)
    - TN260 Mining engineering (14)
    - TN263-271 Mineral deposits. Metallic ore deposits. Prospecting (20)
    - TN275-325 Practical mining operations. Safety measures (5)
    - TN400-580 Ore deposits and mining of particular metals (6)
    - TN600-799 Metallurgy (41)
    - TN799.5-948 Nonmetallic minerals (8)
  - TP Chemical Technology (671)
    - TP1-1185 Chemical technology (221)
    - TP1080-1185 Polymers and polymer manufacture (101)
    - TP1120 Plastic materials (3)
    - TP155-156 Chemical engineering (107)
    - TP200-248 Chemicals: Manufacture, use, etc. (5)
    - TP248.13-248.65 Biotechnology (11)
    - TP315-360 Fuel (15)
    - TP368-456 Food processing and manufacture (82)
    - TP480-498 Low temperature engineering. Cryogenic engineering. Refrigeration (3)
    - TP670-699 Oils, fats, and waxes (2)
    - TP690-692.5 Petroleum refining. Petroleum products (6)
    - TP700-746 Illuminating industries (Nonelectric) (1)
    - TP751-762 Gas industry (3)
    - TP785-869 Clay industries. Ceramics. Glass (12)
    - TP807 Ceramics (25)
    - TP875-888 Cement industries (1)
    - TP890-933 Textile bleaching, dyeing, printing, etc. (1)
  - TR Photography (132)
    - TR1-1050 Photography (5)
    - TR925-1050 Photomechanical processes (1)
  - TS Manufactures (120)
    - TS1-2301 Manufactures (16)
    - TS1080-1268 Paper manufacture and trade (17)
    - TS1300-1865 Textile industries (3)
    - TS155-194 Production management. Operations management (40)
    - TS156 Quality control and management (3)
    - TS1870-1935 Rubber industry (21)
    - TS200-770 Metal manufactures. Metalworking (5)
    - TS2120-2159 Cereals and grain. Milling industry (1)
    - TS800-937 Wood technology. Lumber (5)
    - TS840-915 Wood products. Furniture (4)
  - TX Home economics (38)
    - TX341-641 Nutrition. Foods and food supply (29)
    - TX642-840 Cookery (3)
    - TX901-946.5 Hospitality industry. Hotels, clubs, restaurants, etc. Food service (6)
- V Naval Science (1)
  - VM Naval architecture. Shipbuilding. Marine engineering (1)
    - VM311-466 Special types of vessels (1)
- Z Bibliography. Library Science. Information Resources (19)
  - Z240-241.5 Incunabula. Block books Including broadsides, playing cards (1)
  - Z719 Libraries (General) (17)
  - ZA Information resources (1)