Subjects

1453- 29 1789- 8 1789-: Europe (General) 9 Africa 60 Agriculture 233 Agriculture (General) 259 Animal culture 83 Animal culture: Cattle 3 Animal culture: Cattle: Dairy processing. Dairy products 6 Animal culture: Cattle: Dairying 3 Animal culture: Veterinary medicine 130 Aquaculture. Fisheries. Angling 69 Forestry 96 Plant culture 120 and Antarctica 4 South Asia. Southeast Asia. East Asia 2 and commerce. Occupational law 7 Transportation and communication 5 and implements 13 and water-supply engineering (General) 16 and waxes 4 Petroleum refining. Petroleum products 15 artisans 4 Auxiliary sciences of history 26 Archaeology 198 Biography 4 Diplomatics. Archives. Seals 12 Genealogy 3 History of Civilization 52 benevolent 11 Bibliography. Library science. Information resources 180 Bibliography 1 Bibliography: General bibliography 1 Information resources (General) 34 burglary 2 business correspondence 6 change and effectiveness. Corporate culture 17 clubs 28 concrete construction 2 development 103 dyeing 12 Education 628 Education (General) 637 History of education 40 Special aspects of education 539 Theory and practice of education 321 etc. 102 etc. Food service 28 Islam 315 Other beliefs and movements 1 fats 19 Fine Arts 101 Architecture 165 Architecture: Aesthetics of cities. City planning and beautifying 31 Architecture: Architectural drawing and design 23 Arts in general 182 Arts in general: History of the arts 95 Decorative arts 6 Drawing. Design. Illustration 51 Print media 6 Print media: Printmaking and engraving 1 Print media: Printmaking and engraving: Conservation and restoration of prints 2 Sculpture 2 Visual arts 120 fire 2 General Works 109 Academies and learned societies 5 Dictionaries and other general reference works 1 Encyclopedias 1 History of scholarship and learning. The humanities 211 Museums. Collectors and collecting 41 Newspapers 2 Periodicals 2 geographical distribution 40 Geography. Anthropology. Recreation 58 Anthropology 141 Anthropology: Ethnology. Social and cultural anthropology 151 Anthropology: Physical anthropology. Somatology 7 Anthropology: Physical anthropology. Somatology: Human evolution 3 Anthropology: Physical anthropology. Somatology: Human evolution: Fossil man. Human paleontology 4 Anthropology: Prehistoric archaeology 19 Environmental sciences 283 Folklore 19 Geography (General) 238 Human ecology. Anthropogeography 42 Human ecology. Anthropogeography: Settlements 3 Human ecology. Anthropogeography: Settlements: Cities. Urban geography 43 Manners and customs (General) 3 Maps 4 Maps: Unlocalized maps (Asian studies only) 1 Mathematical geography. Cartography 8 Mathematical geography. Cartography: Cartography 7 Mathematical geography. Cartography: Cartography: Cadastral mapping 5 Oceanography 33 Physical geography 35 Recreation. Leisure 42 Recreation. Leisure: Dancing 10 Recreation. Leisure: Recreation leadership. Administration of recreation services 14 Recreation. Leisure: Sports 181 handicrafts 4 History (General) and history of Europe 153 History (General) 234 History (General): Ancient history 40 History (General): Medieval history 53 History (General): Modern history 46 History of Africa 26 History of Asia 43 History of Austria. Liechtenstein. Hungary. Czechoslovakia 2 History of Austria. Liechtenstein. Hungary. Czechoslovakia: Austria. Austro-Hungarian Empire 1 History of Austria. Liechtenstein. Hungary. Czechoslovakia: Hungary 2 History of Balkan Peninsula 7 History of Central Europe 26 History of Eastern Europe 35 History of France 3 History of Germany 1 History of Great Britain 4 History of Greece 3 History of Italy 6 History of Low Countries - Benelux Countries 1 History of Northern Europe. Scandinavia 4 History of Northern Europe. Scandinavia: Finland 1 History of Northern Europe. Scandinavia: Norway 2 History of Oceania (South Seas) 3 History of Poland 13 History of Portugal 5 History of Russia. Soviet Union. Former Soviet Republics 12 History of Spain 27 History of the Greco-Roman World 15 History America 16 America 9 Latin America. Spanish America 124 United States 2 United States local history 3 immigration 14 lake 16 Language and Literature 499 American literature 22 English language 99 English literature 69 French literature - Italian literature - Spanish literature - Portuguese literature 159 German literature 16 Germanic languages. Scandinavian languages 15 Germanic languages. Scandinavian languages: North Germanic. Scandinavian 3 Greek language and literature. Latin language and literature 25 Greek language and literature. Latin language and literature: Greek philology and language 3 Indo-Iranian languages and literature 15 Languages and literature of Eastern Asia 55 Literature (General) 193 Literature (General): Drama 8 Literature (General): Drama: Dramatic representation. The theater 22 Literature (General): Drama: Motion pictures 9 Literature (General): Journalism. The periodical press 36 Literature (General): Oratory. Elocution 2 Literature (General): The performing arts. Show business 21 Norwegian literature 1 Oriental languages and literatures 34 Philology. Linguistics 399 Philology. Linguistics: Communication. Mass media 324 Philology. Linguistics: Communication. Mass media: Oral communication. Speech 13 Philology. Linguistics: Computational linguistics. Natural language processing 28 Philology. Linguistics: Language. Linguistic theory. Comparative grammar 126 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Comparative grammar 2 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Discourse analysis 13 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Language acquisition 18 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Lexicography 3 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Semantics 4 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Style. Composition. Rhetoric 6 Philology. Linguistics: Language. Linguistic theory. Comparative grammar: Translating and interpreting 42 Romanic languages 60 Slavic languages. Baltic languages. Albanian languages 43 Ural-Altaic languages 2 Ural-Altaic languages: Finnic. Baltic-Finnic 4 Ural-Altaic languages: Other Finnic languages and dialects 1 Law 321 Asia and Eurasia 6 Islamic law 119 Law in general. Comparative and uniform law. Jurisprudence 246 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law 30 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Civil law 23 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Civil law: Property 2 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Commercial law 15 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Criminal law and procedure 47 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Environmental law 10 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Medical legislation 6 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Public finance 17 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Public finance: Revenue. Taxation. Internal revenue 2 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Public law 26 Law in general. Comparative and uniform law. Jurisprudence: Comparative law. International uniform law: Regulation of industry 12 Law in general. Comparative and uniform law. Jurisprudence: Jurisprudence. Philosophy and theory of law 45 Law in general. Comparative and uniform law. Jurisprudence: Private international law. Conflict of laws 15 Law in general. Comparative and uniform law. Jurisprudence: Private international law. Conflict of laws: Social legislation 1 Law of Europe 26 Law of Europe: History of Law 14 Law of nations 12 Medicine 744 Dentistry 175 Dermatology 40 Gynecology and obstetrics 65 Homeopathy 4 Internal medicine 77 Internal medicine: Infectious and parasitic diseases 72 Internal medicine: Medical emergencies. Critical care. Intensive care. First aid 71 Internal medicine: Neoplasms. Tumors. Oncology. Including cancer and carcinogens 99 Internal medicine: Neurosciences. Biological psychiatry. Neuropsychiatry 80 Internal medicine: Neurosciences. Biological psychiatry. Neuropsychiatry: Neurology. Diseases of the nervous system 63 Internal medicine: Neurosciences. Biological psychiatry. Neuropsychiatry: Neurology. Diseases of the nervous system: Psychiatry 58 Internal medicine: Neurosciences. Biological psychiatry. Neuropsychiatry: Neurology. Diseases of the nervous system: Psychiatry: Therapeutics. Psychotherapy 22 Internal medicine: Special situations and conditions 11 Internal medicine: Special situations and conditions: Arctic medicine. Tropical medicine 12 Internal medicine: Special situations and conditions: Geriatrics 28 Internal medicine: Special situations and conditions: Industrial medicine. Industrial hygiene 10 Internal medicine: Special situations and conditions: Sports medicine 63 Internal medicine: Specialties of internal medicine 28 Internal medicine: Specialties of internal medicine: Diseases of the blood and blood-forming organs 24 Internal medicine: Specialties of internal medicine: Diseases of the circulatory (Cardiovascular) system 95 Internal medicine: Specialties of internal medicine: Diseases of the digestive system. Gastroenterology 42 Internal medicine: Specialties of internal medicine: Diseases of the endocrine glands. Clinical endocrinology 47 Internal medicine: Specialties of internal medicine: Diseases of the genitourinary system. Urology 51 Internal medicine: Specialties of internal medicine: Diseases of the musculoskeletal system 24 Internal medicine: Specialties of internal medicine: Diseases of the respiratory system 31 Internal medicine: Specialties of internal medicine: Immunologic diseases. Allergy 38 Internal medicine: Specialties of internal medicine: Nutritional diseases. Deficiency diseases 22 Medicine (General) 501 Medicine (General): Computer applications to medicine. Medical informatics 56 Medicine (General): General works 5 Medicine (General): History of medicine. Medical expeditions 10 Medicine (General): Medical philosophy. Medical ethics 20 Medicine (General): Medical physics. Medical radiology. Nuclear medicine 70 Medicine (General): Medical technology 56 Nursing 207 Ophthalmology 47 Other systems of medicine 49 Other systems of medicine: Mental healing 12 Other systems of medicine: Miscellaneous systems and treatments 10 Other systems of medicine: Osteopathy 5 Otorhinolaryngology 28 Pathology 33 Pediatrics 99 Pharmacy and materia medica 101 Public aspects of medicine 294 Public aspects of medicine: Toxicology. Poisons 16 Surgery 126 Surgery: Anesthesiology 42 Surgery: Orthopedic surgery 40 Therapeutics. Pharmacology 125 Military Science 71 Music and books on Music 10 Literature on music 13 Music 76 Musical instruction and study 23 Naval Science 20 Naval architecture. Shipbuilding. Marine engineering 19 Oceania 18 African languages and literature 17 Chinese language and literature 8 Japanese language and literature 12 Pacific Area 6 Philosophy. Psychology. Religion 197 Aesthetics 15 Buddhism 2 Christian Denominations 3 Christianity 39 Christianity: Early Christian literature. Fathers of the Church 2 Christianity: History 8 Doctrinal Theology 48 Doctrinal Theology: History of specific doctrines and movements. Heresies and schisms 1 Ethics 43 Ethics: Religious ethics 16 Islam. Bahai Faith. Theosophy 346 Judaism 10 Logic 12 Philosophy (General) 301 Philosophy (General): By period 1 Philosophy (General): By period: Modern 9 Philosophy (General): By period: Modern: By religion 4 Practical Theology 47 Practical Theology: Practical religion. The Christian life 13 Practical Theology: Practical religion. The Christian life: Moral theology 7 Psychology 379 Psychology: Consciousness. Cognition 13 Religions. Mythology. Rationalism 30 Religions. Mythology. Rationalism: History and principles of religions 10 Religions. Mythology. Rationalism: History and principles of religions: Asian. Oriental 5 Religions. Mythology. Rationalism: Philosophy of religion. Psychology of religion. Religion in relation to other subjects 29 Religions. Mythology. Rationalism: Religion (General) 100 Religions. Mythology. Rationalism: Religions of the world 3 Speculative philosophy 15 Speculative philosophy: Epistemology. Theory of knowledge 17 Speculative philosophy: Metaphysics 7 Speculative philosophy: Ontology 1 The Bible 20 The Bible: New Testament 1 The Bible: Old Testament 1 pigments 2 planning 103 Political science 187 Colonies and colonization. Emigration and immigration. International migration 27 International relations 169 Political institutions and public administration - Asia (Asian studies only) 16 Political institutions and public administration (General) 162 Political science (General) 162 Political theory 26 printing 12 restaurants 28 roofs 2 Science 262 Astronomy 26 Astronomy: Astrophysics 12 Astronomy: Geodesy 15 Biology (General) 363 Biology (General): Cytology 17 Biology (General): Ecology 115 Biology (General): Economic biology 3 Biology (General): Evolution 13 Biology (General): Genetics 56 Biology (General): Life 10 Biology (General): Reproduction 9 Botany 107 Botany: Plant ecology 33 Chemistry 157 Chemistry: Analytical chemistry 16 Chemistry: Crystallography 10 Chemistry: General. Including alchemy 3 Chemistry: Inorganic chemistry 10 Chemistry: Organic chemistry 8 Chemistry: Organic chemistry: Biochemistry 62 Chemistry: Physical and theoretical chemistry 12 Geology 156 Geology: Dynamic and structural geology 11 Geology: Mineralogy 8 Geology: Paleontology 14 Geology: Petrology 4 Geology: Stratigraphy 8 Human anatomy 10 Mathematics 353 Mathematics: Analysis 20 Mathematics: Analytic mechanics 1 Mathematics: Instruments and machines 6 Mathematics: Instruments and machines: Electronic computers. Computer science 233 Mathematics: Instruments and machines: Electronic computers. Computer science: Computer software 60 Mathematics: Probabilities. Mathematical statistics 31 Microbiology 87 Microbiology: Microbial ecology 10 Natural history (General) 15 Natural history (General): General. Including nature conservation 40 Natural history (General): Microscopy 4 Physics 160 Physics: Acoustics. Sound 7 Physics: Atomic physics. Constitution and properties of matter 6 Physics: Descriptive and experimental mechanics 9 Physics: Electricity and magnetism 9 Physics: Electricity and magnetism: Electricity 3 Physics: Electricity and magnetism: Electricity: Plasma physics. Ionized gases 2 Physics: Geomagnetism 2 Physics: Geophysics. Cosmic physics 33 Physics: Heat 1 Physics: Heat: Thermodynamics 5 Physics: Meteorology. Climatology 44 Physics: Nuclear and particle physics. Atomic energy. Radioactivity 26 Physics: Nuclear and particle physics. Atomic energy. Radioactivity: Elementary particle physics 2 Physics: Nuclear and particle physics. Atomic energy. Radioactivity: Radioactivity and radioactive substances 2 Physics: Optics. Light 18 Physiology 40 Physiology: Animal biochemistry 18 Physiology: Neurophysiology and neuropsychology 16 Science (General) 169 Science (General): Cybernetics 17 Science (General): Cybernetics: Information theory 14 Zoology 135 Social Sciences 716 Commerce 72 Commerce: Balance of trade 1 Commerce: Business 462 Commerce: Business: Accounting. Bookkeeping 143 Commerce: Business: Advertising 9 Commerce: Business: Business communication. Including business report writing 6 Commerce: Business: Business ethics 7 Commerce: Business: Business mathematics. Commercial arithmetic. Including tables 5 Commerce: Business: Business records management 19 Commerce: Business: Industrial psychology 12 Commerce: Business: Marketing. Distribution of products 53 Commerce: Business: Office management 9 Commerce: Business: Personnel management. Employment management 27 Commerce: Business: Purchasing. Selling. Sales personnel. Sales executives 1 Commerce: Business: Shipment of goods. Delivery of goods 3 Commerce: Business: Vocational guidance. Career development 10 Commerce: Commercial geography. Economic geography 8 Communities. Classes. Races 42 Communities. Classes. Races: Human settlements. Communities 18 Communities. Classes. Races: Urban groups. The city. Urban sociology 49 Communities. Classes. Races: Urban groups. The city. Urban sociology: City planning 18 Communities. Classes. Races: Urban groups. The city. Urban sociology: City population. Including children in cities 14 Communities. Classes. Races: Urban groups. The city. Urban sociology: Metropolitan areas 1 Communities. Classes. Races: Urban groups. The city. Urban sociology: Regional economics. Space in economics 31 Communities. Classes. Races: Urban groups. The city. Urban sociology: Regional planning 17 Communities. Classes. Races: Urban groups. The city. Urban sociology: Suburban cities and towns 1 Communities. Classes. Races: Urban groups. The city. Urban sociology: The city as an economic factor. City promotion 1 Communities. Classes. Races: Urban groups. The city. Urban sociology: Urban renewal. Urban redevelopment 11 Communities. Classes. Races: Urban groups. The city. Urban sociology: Urbanization. City and country 13 Economic history and conditions 83 Economic history and conditions: Economic geography of the oceans (General) 3 Economic theory. Demography 110 Economic theory. Demography: Demography. Population. Vital events 27 Economic theory. Demography: Economics as a science 329 Finance 242 Finance: Banking 28 Finance: Insurance 6 Industries. Land use. Labor 16 Industries. Land use. Labor: Economic growth 103 Industries. Land use. Labor: Industry 7 Industries. Land use. Labor: Industry: Rural industries 4 Industries. Land use. Labor: Industry: Small and medium-sized businesses 4 Industries. Land use. Labor: Labor. Work. Working class 23 Industries. Land use. Labor: Labor. Work. Working class: Employee participation in management. Employee ownership. Industrial democracy. Works councils 3 Industries. Land use. Labor: Labor. Work. Working class: Industrial arbitration. Meditation and conciliation 1 Industries. Land use. Labor: Labor. Work. Working class: Industrial hygiene. Industrial welfare 8 Industries. Land use. Labor: Labor. Work. Working class: Industrial relations 2 Industries. Land use. Labor: Labor. Work. Working class: Industrial sociology. Social conditions of labor 1 Industries. Land use. Labor: Labor. Work. Working class: Labor in politics. Political activity of the working class 3 Industries. Land use. Labor: Labor. Work. Working class: Labor market. Labor supply. Labor demand 5 Industries. Land use. Labor: Labor. Work. Working class: Labor policy. Labor and the state 6 Industries. Land use. Labor: Labor. Work. Working class: Labor systems 2 Industries. Land use. Labor: Labor. Work. Working class: Professions (General). Professional employees 2 Industries. Land use. Labor: Labor. Work. Working class: Social insurance. Social security. Pension 4 Industries. Land use. Labor: Labor. Work. Working class: Vocational rehabilitation. Employment of people with disabilities 9 Industries. Land use. Labor: Land use 18 Industries. Land use. Labor: Land use: Land tenure 2 Industries. Land use. Labor: Land use: Land tenure: Land reform. Agrarian reform 1 Industries. Land use. Labor: Land use: Land tenure: Municipal ownership 1 Industries. Land use. Labor: Land use: Real estate business 8 Industries. Land use. Labor: Large industry. Factory system. Big business 2 Industries. Land use. Labor: Large industry. Factory system. Big business: Cooperation. Cooperative societies 2 Industries. Land use. Labor: Large industry. Factory system. Big business: Trade associations 1 Industries. Land use. Labor: Management. Industrial management 116 Industries. Land use. Labor: Management. Industrial management: Capital. Capital investments 4 Industries. Land use. Labor: Management. Industrial management: Competition 2 Industries. Land use. Labor: Management. Industrial management: Costs 1 Industries. Land use. Labor: Management. Industrial management: Crisis management. Emergency management. Inflation 4 Industries. Land use. Labor: Management. Industrial management: Industrial productivity 2 Industries. Land use. Labor: Management. Industrial management: Management of special enterprises 5 Industries. Land use. Labor: Management. Industrial management: Organizational behaviour 17 Industries. Land use. Labor: Management. Industrial management: Public relations. Industrial publicity 7 Industries. Land use. Labor: Management. Industrial management: Risk in industry. Risk management 8 Industries. Land use. Labor: Management. Industrial management: Social responsibility of business 5 Industries. Land use. Labor: Management. Industrial management: Standardization. Simplification. Waste 1 Industries. Land use. Labor: Management. Industrial management: Technological innovations. Automation 20 Industries. Land use. Labor: Special industries and trades 6 Industries. Land use. Labor: Special industries and trades: Agricultural industries 35 Industries. Land use. Labor: Special industries and trades: Chemical industries 2 Industries. Land use. Labor: Special industries and trades: Construction industry 6 Industries. Land use. Labor: Special industries and trades: Energy industries. Energy policy. Fuel trade 21 Industries. Land use. Labor: Special industries and trades: Manufacturing industries 2 Industries. Land use. Labor: Special industries and trades: Mechanical industries 2 Industries. Land use. Labor: Special industries and trades: Mineral industries. Metal trade 3 Industries. Land use. Labor: Special industries and trades: Miscellaneous industries and trades 1 Industries. Land use. Labor: Special industries and trades: Pharmaceutical industry 18 Social history and conditions. Social problems. Social reform 74 Social pathology. Social and public welfare. Criminology 78 Social sciences (General) 665 Social sciences and state - Asia (Asian studies only) 17 Socialism. Communism. Anarchism 5 Societies: secret 11 Sociology (General) 277 Statistics 32 The family. Marriage. Woman 28 The family. Marriage. Woman: Men 2 The family. Marriage. Woman: Women. Feminism 59 Transportation and communications 27 Transportation and communications: Cellular telephone services industry. Wireless telephone industry 2 Technology 240 Bridge engineering 5 Building construction 42 Building construction: Architectural engineering. Structural engineering of buildings 22 Building construction: Details in building design and construction. Including walls 2 Building construction: Heating and ventilation. Air conditioning 1 Building construction: Protection of buildings. Including protection from dampness 2 Building construction: Systems of building construction. Including fireproof construction 2 Chemical technology 58 Chemical technology: Biotechnology 98 Chemical technology: Chemical engineering 44 Chemical technology: Chemicals: Manufacture 4 Chemical technology: Clay industries. Ceramics. Glass 4 Chemical technology: Explosives and pyrotechnics 2 Chemical technology: Fermentation industries. Beverages. Alcohol 3 Chemical technology: Food processing and manufacture 83 Chemical technology: Fuel 6 Chemical technology: Gas industry 7 Chemical technology: Industrial electrochemistry 8 Chemical technology: Low temperature engineering. Cryogenic engineering. Refrigeration 4 Chemical technology: Oils 19 Chemical technology: Paints 2 Chemical technology: Polymers and polymer manufacture 11 Chemical technology: Textile bleaching 12 Electrical engineering. Electronics. Nuclear engineering 109 Electrical engineering. Electronics. Nuclear engineering: Acoustics in engineering. Acoustical engineering 1 Electrical engineering. Electronics. Nuclear engineering: Applications of electric power 15 Electrical engineering. Electronics. Nuclear engineering: Distribution or transmission of electric power 4 Electrical engineering. Electronics. Nuclear engineering: Electric apparatus and materials. Electric circuits. Electric networks 9 Electrical engineering. Electronics. Nuclear engineering: Electronics 30 Electrical engineering. Electronics. Nuclear engineering: Electronics: Computer engineering. Computer hardware 81 Electrical engineering. Electronics. Nuclear engineering: Materials of engineering and construction. Mechanics of materials 88 Electrical engineering. Electronics. Nuclear engineering: Nuclear engineering. Atomic power 18 Electrical engineering. Electronics. Nuclear engineering: Production of electric energy or power. Powerplants. Central stations 24 Electrical engineering. Electronics. Nuclear engineering: Telecommunication 34 Engineering (General). Civil engineering (General) 320 Engineering (General). Civil engineering (General): Applied optics. Photonics 27 Engineering (General). Civil engineering (General): Disasters and engineering 10 Engineering (General). Civil engineering (General): Earthwork. Foundations 2 Engineering (General). Civil engineering (General): Engineering design 12 Engineering (General). Civil engineering (General): Engineering economy 7 Engineering (General). Civil engineering (General): Engineering geology. Rock mechanics. Soil mechanics. Underground construction 22 Engineering (General). Civil engineering (General): Engineering machinery 13 Engineering (General). Civil engineering (General): Environmental engineering 44 Engineering (General). Civil engineering (General): Mechanics of engineering. Applied mechanics 29 Engineering (General). Civil engineering (General): Plasma engineering. Applied plasma dynamics 3 Engineering (General). Civil engineering (General): Structural engineering (General) 12 Engineering (General). Civil engineering (General): Surveying 1 Engineering (General). Civil engineering (General): Systems engineering 13 Engineering (General). Civil engineering (General): Transportation engineering 43 Environmental technology. Sanitary engineering 64 Environmental technology. Sanitary engineering: Environmental effects of industries and plants 5 Environmental technology. Sanitary engineering: Environmental pollution 15 Environmental technology. Sanitary engineering: Environmental protection 21 Environmental technology. Sanitary engineering: Hazardous substances and their disposal 3 Environmental technology. Sanitary engineering: Municipal refuse. Solid wastes 2 Environmental technology. Sanitary engineering: Rural and farm sanitary engineering 1 Environmental technology. Sanitary engineering: Sewage collection and disposal systems. Sewerage 2 Environmental technology. Sanitary engineering: Special types of environment 2 Environmental technology. Sanitary engineering: Water supply for domestic and industrial purposes 15 Handicrafts. Arts and crafts 3 Highway engineering. Roads and pavements 5 Home economics 3 Home economics: Cookery 1 Home economics: Hospitality industry. Hotels 28 Home economics: Nutrition. Foods and food supply 89 Hydraulic engineering 25 Hydraulic engineering: Canals and inland navigation. Waterways 1 Hydraulic engineering: Harbors and coast protective works. Coastal engineering. Lighthouses 4 Hydraulic engineering: Irrigation engineering. Reclamation of wasteland. Drainage 8 Hydraulic engineering: River 16 Hydraulic engineering: River protective works. Regulation. Flood control 3 Hydraulic engineering: Technical hydraulics 1 Manufactures 9 Manufactures: Packaging 1 Manufactures: Production management. Operations management 19 Mechanical engineering and machinery 97 Mechanical engineering and machinery: Control engineering systems. Automatic machinery (General) 9 Mechanical engineering and machinery: Energy conservation 11 Mechanical engineering and machinery: Machine design and drawing 5 Mechanical engineering and machinery: Renewable energy sources 48 Mining engineering. Metallurgy 61 Motor vehicles. Aeronautics. Astronautics 45 Ocean engineering 8 Photography 3 Railroad engineering and operation 6 Technology (General) 145 Technology (General): Industrial directories 1 Technology (General): Industrial directories: Industrial safety. Industrial accident prevention 10 Technology (General): Industrial engineering. Management engineering 55 Technology (General): Industrial engineering. Management engineering: Applied mathematics. Quantitative methods 44 Technology (General): Industrial engineering. Management engineering: Automation 6 Technology (General): Industrial engineering. Management engineering: Information technology 185 Technology (General): Industrial engineering. Management engineering: Management information systems 33 Technology (General): Industrial engineering. Management engineering: Production capacity. Manufacturing capacity 7 Technology (General): Mechanical drawing. Engineering graphics 5 tools 13 trade 12 trades 4 use 4 varnishes 2