Columbia subject headings:
Germany--History--Allied occupation, 1918-1930.
Poincaré, Raymond, 1860-1934.
Rhine Province (Germany)--History.
Harvard subject headings:
Germany--History--Allied occupation, 1918-1930.
Poincaré, Raymond, 1860-1934.
Rhine Province (Germany)--History.
Princeton subject headings:
Germany--History--Allied occupation, 1918-1930.
Poincaré, Raymond, 1860-1934.
Rhine Province (Germany)--History.