Columbia subject headings:
Peasants--Political activity--Poland.
Political parties--Poland--History.
Harvard subject headings:
Farmers--Poland--Political activity--History--20th century.
Poland--Politics and government--1918-1945
Political parties--Poland--History--20th century
Princeton subject headings:
Farmers--Poland--Political activity--History--20th century.
Poland--Politics and government--1918-1945.
Political parties--Poland--History--20th century.