Columbia subject headings:
Communist state--History.
Germany--Politics and government--1918-1933.
Germany--Politics and government--1933-1945.
Kommunistische Partei Deutschlands--History.
Harvard subject headings:
Communist state--History.
Germany--Politics and government--1918-1933
Germany--Politics and government--1933-1945.
Kommunistische Partei Deutschlands--History.
Princeton subject headings:
Kommunistische Partei Deutschlands--History.