Columbia subject headings:
Communism--Poland--History--20th century.
Jewish communists.
Jews--Poland--Politics and government.
Poland--History--20th century.
Harvard subject headings:
Communism--Poland--History.
Jewish communists--Poland--History.
Jews--Poland--History.
Princeton subject headings:
Communism--Poland--History.
Jewish communists--Poland--History.
Jews--Poland--History.