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Subject
- Aeronautical charts887
- Military intelligence856
- Boundaries570
- Espionage493
- Soviet Union--Administrative and political divisions--Maps493
- Soviet Union--Maps493
- Soviet Union--Military policy493
- Administrative and political divisions352
- Transportation296
- Population176
- Society158
- Location139
- Cities and towns133
- Topographic maps122
- Elevation117
- Demography111
- Literacy108
- Environment107
- Human settlements98
- Urban development93