Geographic Term
- Germany Politics and government 1918-193320
- United States Politics and government 1933-194520
- New York (State) Albany19
- Switzerland Juvenile fiction19
- Soviet Union Politics and government 1917-193618
- England London17
- Netherlands17
- North America17
- United States Economic conditions 1918-194516
- Scotland15
- West (U.S.) Fiction15
- Germany Politics and government 1933-194514
- Poland14
- Florida13
- Massachusetts13
- Soviet Union History 1925-1953. nli13
- Indiana12
- Ireland12
- Norway12
- Soviet Union History Revolution, 1917-192112