Columbia subject headings:
Harvard subject headings:
Rhineland (Germany)--History--Separatist movement, 1918-1924.
Rhineland (Germany)--History--Separtist movement, 1918-1924.
Princeton subject headings:
Palatinate (Germany)--Politics and government--20th century.
Rhineland (Germany)--History--Separatist movement, 1918-1924.