- Agriculture and state--Soviet Union--Congresses (1)
- Agriculture--Economic aspects--Soviet Union--Congresses (1)
- Comparative economics (1)
- Rural development--Government policy--Soviet Union--Congresses (1)
- Soviet Union--Economic conditions--1918- (1)
- Soviet Union--Economic policy--1917- (1)
- Soviet Union--Economic policy--1917- --Congresses (1)
- Soviet Union--Rural conditions--Congresses (1)