| 300 | Social Science | 450 | Earth sciences | 600 | Industry and commerce |
| 310 | Political Science | 460 | Biology | 610 | Agriculture |
| 320 | Law | 470 | Botany | 620 | Horticulture |
| 330 | Economics | 480 | Zoology | 630 | Sericulture. Silk industry |
| 340 | Public finance | 490 | Medical sciences. Pharmaceutics | 640 | Animal husbandry |
| 350 | Statistics | | | 650 | Forestry |
| 360 | Society | 500 | Technology. Engineering | 660 | Fishing industry. Fisheries |
| 370 | Education | 510 | Construction. Civil engineering | 670 | Commerce |
| 380 | Customs, folklore and ethnology | 520 | Architecture. Building | 680 | Transportation services |
| 390 | National defense. Military science | 530 | Mechanical engineering | 690 | Communication |
| | | 540 | Electrical engineering | | |
| 400 | Natural sciences | 550 | Maritime engineering | | |
| 410 | Mathematics | 560 | Metal and mining engineering | | |
| 420 | Physics | 570 | Chemical technology | | |
| 430 | Chemistry | 580 | Manufactures | | |
| 440 | Astronomy. Space sciences | 590 | Domestic arts and sciences | | |
