Columbia subject headings:
Harvard subject headings:
Constitutional conventions--Germany--Weimar (Thuringia)--History--20th century.
Germany--History--1918-1933.
Germany--Politics and government--1918-1933
Germany. Nationalversammlung (1919-1920)
Weimar (Thuringia, Germany)--Congresses--History--20th century.
Princeton subject headings:
Germany--History--1918-1933.