Columbia subject headings:
Poland--Politics and government--1989---Biography.
Poland--Politics and government--1989---Handbooks, manuals, etc.
Harvard subject headings:
Poland--Politics and government--1945---Biography.
Poland--Politics and government--1945---Handbooks, manuals, etc.
Princeton subject headings:
Poland--Officials and employees--Registers.
Poland--Politics and government--1945-.
Political parties--Poland--Registers.
Politicians--Poland--Biography--Dictionaries.
Statesmen--Poland--Biography--Dictionaries.