Индекс ДКД | Наименование раздела |
503 | Dictionaries & encyclopedias |
507 | Education, research, related topics |
509 | Historical, geographic, persons treatment |
502 | Miscellany |
508 | Natural history |
500 | Natural sciences & mathematics |
506 | Organizations & management |
501 | Philosophy & theory |
505 | Serial publications |
504 | Unassigned |
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