Columbia subject headings:
Harvard subject headings:
Brandenburg (Germany : State)--Politics and government--20th century.
Communism--Germany--Brandenburg--History--20th century.
Communist parties--Germany--Brandenburg--History--20th century.
Sozialistische Einheitspartei Deutschlands. Kreisleitung Brandenburg--History.
Princeton subject headings:
Brandenburg (Germany : State)--Politics and government--20th century.
Communism--Germany--Brandenburg--History--20th century.
Communist parties--Germany--Brandenburg--History--20th century.
Sozialistische Einheitspartei Deutschlands. Kreisleitung Brandenburg--History.