Columbia subject headings:
Communism--Poland--History--20th century.
Poland--Relations--Soviet Union.
Soviet Union--Relations--Poland.
Harvard subject headings:
Communism--Poland--History--20th century
Poland--Foreign relations--Soviet Union
Poland--Politics and government--1918-1945
Poland--Relations--Soviet Union
Polski Komitet Wyzwolenia Narodowego.
Soviet Union--Foreign relations--Poland.
Soviet Union--Relations--Poland.
Tymczasowy Komitet Rewolucyjny Polski.
Princeton subject headings: