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Subject
- Aeronautical charts878
- Military intelligence848
- Espionage488
- Soviet Union--Administrative and political divisions--Maps488
- Soviet Union--Maps488
- Soviet Union--Military policy488
- Society282
- Boundaries207
- Demography191
- Census189
- Literacy140
- Population123
- Labor supply114
- Caste113
- Human settlements113
- Villages113
- Elections107
- Voting107
- Political Parties106
- Politics and government106