Columbia subject headings:
Communism--Germany--Historiography.
Communism--Historiography.
Kommunistische Partei Deutschlands--Historiography.
Harvard subject headings:
Communism--Germany--Historiography.
Communism--Historiography.
Kommunistische Partei Deutschlands--Historiography.
Princeton subject headings:
Communism--Germany--Historiography.
Communism--Historiography.
Kommunistische Partei Deutschlands--Historiography.