Columbia subject headings:
Associations, institutions, etc.--Poland.
Poland--Politics and government--1989-
Political parties--Poland.
Harvard subject headings:
Associations, institutions, etc.--Poland.
Poland--Politics and government--1945-1980
Poland--Politics and government--1989-
Political parties--Poland
Princeton subject headings:
Associations, institutions, etc.--Poland.
Poland--Politics and government--1945-.
Political parties--Poland.