Columbia subject headings:
Harvard subject headings:
Cabinet officers--Poland--Interviews.
Internal security--Poland--History.
Poland--Politics and government--1945-
Poland. Ministerstwo Spraw Wewnętrznych--History.
Princeton subject headings:
Cabinet officers--Poland--Interviews.
Internal security--Poland--History.
Poland--Politics and government--1945-.
Poland. Ministerstwo Spraw Wewnętrznych--History.