| Accounting | 519 |
| Acoustics | 5 |
| Agriculture | 4529 |
| Agrochemistry | 2 |
| Agronomy | 159 |
| Ampelography | 7 |
| Anatomy | 5 |
| Animal husbandry | 28 |
| Architecture | 22 |
| Art | 1 |
| Astronautics | 2 |
| Automated equipment | 57 |
| Banking | 42 |
| Beekeeping | 93 |
| Biochemistry | 5 |
| Biology | 32 |
| Book binding | 1 |
| Botany | 161 |
| Building materials | 25 |
| Building structures | 92 |
| Business | 37 |
| Cement | 7 |
| Ceramics | 2 |
| Chemistry | 592 |
| Coal | 1 |
| Commerce | 96 |
| Communications | 197 |
| Computers | 3 |
| Construction | 10961 |
| Corporate governance | 4 |
| Criminal law | 75 |
| Cultural studies | 1 |
| Customs | 50 |
| Cytology | 1 |
| Data processing | 10 |
| Demography | 10 |
| Earth sciences | 15 |
| Ecology | 40 |
| Economics | 1473 |
| Education | 40 |
| Electrical engineering | 31 |
| Electronics | 52 |
| Employment | 15 |
| Energy industry | 82 |
| Engineering | 35 |
| English | 1 |
| Entomology | 78 |
| Environment | 1206 |
| European Union | 40 |
| Finances | 704 |
| Fish farming pisciculture | 59 |
| Food industry | 459 |
| Forestry | 903 |
| General | 1241 |
| Geography | 24 |
| Geology | 14 |
| Glass production | 22 |
| Government, administration and public services | 13 |
| Health care | 346 |
| Hobbies and pastimes | 14 |
| Horticulture | 64 |
| Human rights activism | 161 |
| Hydraulic engineering | 27 |
| Hydrology | 32 |
| Ichthyology | 36 |
| Immigration and citizenship | 261 |
| Industry | 15 |
| Information technology | 63 |
| Insurance | 57 |
| International law | 28 |
| International trade | 33 |
| Investment | 10 |
| Labor law | 10 |
| Labor organization | 4 |
| Law | 646 |
| Life sciences | 186 |
| Lighting other than cinema | 9 |
| Machinery and mechanisms | 72 |
| Mammals | 4 |
| Marketing | 9 |
| Materials science | 2 |
| Mathematics | 310 |
| Mechanic engineering | 15 |
| Mechanics | 54 |
| Medical | 94 |
| Melioration | 25 |
| Metallurgy | 1 |
| Meteorology | 14 |
| Microscopy | 8 |
| Microsoft | 2398 |
| Mineral products | 6 |
| Mineralogy | 1 |
| Mining | 34 |
| Municipal planning | 1 |
| Mycology | 6 |
| Natural resourses and wildlife conservation | 4 |
| Natural sciences | 36 |
| Nuclear and fusion power | 4 |
| Nuclear physics | 13 |
| Obsolete / dated | 190 |
| Oil / petroleum | 1 |
| Ornithology | 20 |
| Patents | 30 |
| Pharmacy and pharmacology | 76 |
| Physical sciences | 17 |
| Physics | 8 |
| Physiology | 9 |
| Phytophathology | 76 |
| Plumbing | 19 |
| Politics | 530 |
| Private international law | 8 |
| Procedural law | 149 |
| Public relations | 1 |
| Rail transport | 14 |
| Research and development | 25 |
| Road works | 26 |
| Scientific | 4 |
| Security systems | 8 |
| Social science | 161 |
| Sociology | 11 |
| Soil science | 54 |
| Statistics | 65 |
| Surveying | 29 |
| Taxes | 22 |
| Technology | 729 |
| Thermal engineering | 3 |
| Tools | 33 |
| Trade unions | 6 |
| Transport | 648 |
| United Nations | 44 |
| Ventilation | 23 |
| Veterinary medicine | 9 |
| Waste management | 15 |
| Welding | 9 |
| Wiring | 1 |
| Work flow | 4 |
| Zoology | 32 |
| Zootechnics | 205 |
