Category:NDC10 40 Natural science

Subcategories

This category has the following 10 subcategories, out of 10 total.

NDC10 400 Natural science‎ (162 C)
NDC10 401 Theory and philosophy‎ (26 C)
NDC10 402 History and conditions‎ (29 C)
NDC10 403 Reference books‎ (10 C)
NDC10 404 Essays and lectures‎ (96 C)
NDC10 405 Serial publications‎ (2 C)
NDC10 406 Organizations‎ (5 C)
NDC10 407 Study and teaching‎ (11 C)
NDC10 408 Collected works. Collections‎ (7 C)
NDC10 409 Science and Technology Policy‎ (1 C)

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