Columbia subject headings:
Harvard subject headings:
Germany--History--1918-1933.
Germany--Kings and rulers--Abdication.
Germany--Politics and government--1871-
Royal houses--Germany--History.
William II, German Emperor, 1859-1941--Abdication, 1918.
Princeton subject headings:
Germany--History--1918-1933.
Germany--Kings and rulers--Abdication.
Royal houses--Germany--History.