ETO numbers

 
0	General works
1 Philosophy
2 Religion
3 Social Science
355 Military Science
370 Pedagogy
390 Ethnography
5 Natural Science
502 Environment protection
510 Mathematics
520 Astronomy
530 Physics
540 Chemistry
550 Geology
560 Paleontology
570 Biology
580 Botany
590 Zoology
 
6	Applied Sciences
608 Inventions
610 Medicine
620 Technology
633 Plant cultivation
636 Stock-raising
641 Gastronomy, cookery
689 Handicrafts
7 Art, sport
720 Architecture
780 Music
796 Sport
8 Grammar, Literature
809 Hungarian grammar
894 Hungarian literature
9 Geography, biography, history
908 Knowledge of our country
910 Geography
920 Biographies
930 History
943.9 The story of Hungary
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