Columbia subject headings:
Anti-Nazi movement--History.
Kommunistische Partei Deutschlands--History.
Harvard subject headings:
Communism--Germany--History
Communist parties--Europe--International cooperation.
Germany--Politics and government--1933-1945.
Kommunistische Partei Deutschlands--History.
Princeton subject headings:
Anti-Nazi movement--History.
Kommunistische Partei Deutschlands--History.