Columbia subject headings:
Harvard subject headings:
Europe--Politics and government--1918-1945.
Germany--History--Allied occupation, 1918-1930.
Reconstruction (1914-1939)
Rhineland (Germany)--History.
Princeton subject headings:
Europe--Politics and government--1918-1945.
Germany--History--Allied occupation, 1918-1930.
Reconstruction (1914-1939)
Rhineland (Germany)--History.