Columbia subject headings:
Poland--Politics and government--1989-
Poland--Social conditions--1945-
Harvard subject headings:
Poland--Politics and government--1945-
Poland--Social conditions--1945-
Princeton subject headings:
Antisemitism--Poland.
Catholic Church--Poland.
Communism--Poland.
NSZZ "Solidarność" (Labor organization)
Poland--History--1918-1945.
Poland--History--1945-