Columbia subject headings:
Germany--History--20th century.
Germany--History--Revolution, 1918.
Germany--Politics and government--1871-1933.
World War, 1914-1918.
Harvard subject headings:
Germany--History--20th century.
Germany--History--Revolution, 1918.
Germany--Politics and government--1871-1933.
Germany--Politics and government--1888-1918
Militarism--Germany--History--20th century.
Nationalism--Germany--History--20th century
World War, 1914-1918--Causes
World War, 1914-1918.
Princeton subject headings:
Germany--Politics and government--1888-1918.
Militarism--Germany--History--20th century.
Nationalism--Germany--History--20th century.
World War, 1914-1918--Causes.