Subject
- Social classes41
- Communism and society40
- Political prisoners40
- Travel37
- Peasantry32
- World War, 1914-191832
- Political culture29
- Economic history28
- History and criticism28
- Peasants27
- Youth27
- Emigration and immigration26
- Relations26
- Rural conditions26
- Social change26
- Stalin, Joseph, 1878-195326
- Influence25
- Political aspects24
- Quality of life24
- Communism and culture23