Columbia subject headings:
Harvard subject headings:
Agriculture and state--Soviet Union--History.
Collective farms--Soviet Union--History.
Collectivization of agriculture--Soviet Union--History
Medical care--Soviet Union--History.
Public health--Soviet Union--History.
Soviet Union--Economic policy--1928-1932.
Soviet Union--Rural conditions.
Princeton subject headings:
Collective farmas--Russia, Southern--History--20th century.
Public health--Russia, Southern--History--20th century.
Russia, Southern--Rural conditions--20th century.
Social service, Rural--Russia, Southern--History--20th century.