Columbia subject headings:
Germany--History--Allied occupation, 1918-1930.
Sovereignty.
World War, 1914-1918--Territorial questions--Saar River Valley (France and Germany)
Harvard subject headings:
Germany--History--Allied occupation, 1918-1930.
Sovereignty.
World War, 1914-1918--Territorial questions--Saar River Valley (France and Germany)
Princeton subject headings: