Columbia subject headings:
Harvard subject headings:
Political parties--Poland--Siedlce (Voivodeship)--History.
Populism--Poland--Siedlce (Voivodeship)--History.
Siedlce (Poland : Voivodeship)--Politics and government.
Siedlce (Poland : Voivodeship)--Social conditions.
Princeton subject headings:
Peasants--Poland--Political activity.
Peasants--Poland--Siedlce (Voivodeship).