Columbia subject headings:
Harvard subject headings:
Communism--Europe, Eastern--History--20th century--Bibliography.
Communist parties--Europe, Eastern--History--Bibliography.
Europe, Eastern--History--1945-1989--Bibliography.
Europe, Eastern--Politics and government--1945-1989--Bibliography.
Princeton subject headings:
Communism--Europe, Eastern--History--20th century--Bibliography.
Europe, Eastern--History--1945-1989--Bibliography.
Europe, Eastern--Politics and government--1945-1989--Bibliography.