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