Columbia subject headings:
Military intelligence--Poland--History--20th century.
Poland--Relations--Soviet Union.
Poland. Wojsko Polskie. Sztab Główny. Oddział II--History.
Soviet Union--Relations--Poland.
Harvard subject headings:
Military intelligence--Poland--History--20th century.
Poland--History--1945-
Poland--Relations--Soviet Union
Poland. Wojsko Polskie. Zarząd II--History.
Soviet Union--Relations--Poland.
Princeton subject headings:
Military intelligence--Poland--History--20th century.
Poland--Relations--Soviet Union.
Poland. Wojsko Polskie. Sztab Główny. Oddział II--History.
Soviet Union--Relations--Poland.