Columbia subject headings:
Agriculture and state--Poland--History--20th century.
Peasants--Poland--History--20th century.
Poland--Economic policy--1945-1981.
Poland--Rural conditions.
Harvard subject headings:
Agriculture and state--Poland--History--20th century.
Peasants--Poland--History--20th century.
Poland--Economic policy--1945-
Poland--Economic policy--1945-1981
Poland--Rural conditions
Princeton subject headings:
Agriculture and state--Poland--History--20th century.
Peasants--Poland--History--20th century.
Poland--Economic policy--1945-1981.
Poland--Rural conditions.