Columbia subject headings:
Harvard subject headings:
Mikołajczyk, Stanisław, 1901-1966.
Poland--Politics and government--1945-1980--Sources.
Poland. Komitet do Spraw Bezpieczeństwa Publicznego--History--Sources.
Poland. Ministerstwo Bezpieczeństwa Publicznego--History--Sources.
Statesmen--Poland--Biography.
Princeton subject headings:
Internal security--Poland--History--Sources.
Mikołajczyk, Stanisław, 1901-1966.
Poland--Politics and government--1918-1945--Sources.
Poland--Politics and government--1945-1980--Sources.