Columbia subject headings:
Poland--Politics and government--1980-1989.
Poland--Social conditions--1980-1989.
Harvard subject headings:
Poland--Politics and government--1980-1989
Poland--Social conditions--1980-
Poland--Social conditions--1980-1989
Princeton subject headings:
Poland--Economic conditions--1945-
Poland--Politics and government--1980-1989.
Poland--Social conditions--1980-1989.