Columbia subject headings:
Agriculture and state--Soviet Union--Congresses.
Agriculture--Economic aspects--Soviet Union--Congresses.
Rural development--Government policy--Soviet Union--Congresses.
Soviet Union--Economic policy--Congresses.
Soviet Union--Rural conditions--Congresses.
Harvard subject headings:
Agriculture and state--Soviet Union--Congresses.
Agriculture--Economic aspects--Soviet Union--Congresses.
Rural development--Government policy--Soviet Union--Congresses.
Soviet Union--Economic policy--1917-1928--Congresses.
Soviet Union--Economic policy--Congresses.
Soviet Union--Rural conditions--Congresses.
Princeton subject headings:
Agriculture and state--Soviet Union--Congresses.
Agriculture--Economic aspects--Soviet Union--Congresses.
Rural development--Government policy--Soviet Union--Congresses.
Soviet Union--Economic policy--Congresses.
Soviet Union--Rural conditions--Congresses.