Category:NDC9 39 National defence, Military science

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Subcategories

This category has the following 6 subcategories, out of 6 total.

NDC9 390 National defence, Military science (1 C)
NDC9 391 War. Strategy. Tactics (3 C)
NDC9 392 History and conditions (4 C)
NDC9 393 Policy and administration (2 C)
NDC9 396 Armies (5 C)
NDC9 397 Navies (3 C)

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NDC9 3 Social sciences