Columbia subject headings:
Harvard subject headings:
Anti-fascist movements--Germany--History--Congresses.
Communist International--History--Congresses.
Kommunistische Partei Deutschlands--History--Congresses.
Princeton subject headings:
Anti-fascist movements--Germany--History--Congresses.
Communist International--History--Congresses.
Kommunistische Partei Deutschlands--History--Congresses.