Columbia subject headings:
Harvard subject headings:
Braunschweig (Germany)--History.
Communism--Germany--Braunschweig.
Germany--History--Revolution, 1918.
Princeton subject headings:
Braunschweig (Germany)--History--Sources.
Braunschweig (Germany)--History.
Germany--History--Revolution, 1918--Sources.
Germany--History--Revolution, 1918.