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Subject
- Aeronautical charts878
- Military intelligence848
- Boundaries637
- Espionage488
- Soviet Union--Administrative and political divisions--Maps488
- Soviet Union--Maps488
- Soviet Union--Military policy488
- Administrative and political divisions378
- Transportation290
- Society283
- Demography215
- Census195
- Location182
- Population179
- Literacy168
- Human settlements140
- Cities and towns129
- Topographic maps122
- Elevation117
- Labor supply114