Columbia subject headings:
Harvard subject headings:
National security--Poland--20th century.
Poland--Foreign relations--20th century.
Poland. Służba Bezpieczeństwa--History.
Princeton subject headings:
Communist education.
Poland--Politics and government--1945-1980--Biography.
Poland--Politics and government--1945-1980.
Poland. Służba Bezpieczeństwa--History--20th century.
Polska Zjednoczona Partia Robotnicza.