Columbia subject headings:
Germany--History--1918-1933.
Germany--Politics and government--1918-1933.
Government, Resistance to--Germany--History.
Revolutions--Germany--History.
Harvard subject headings:
Germany--History, Military--20th century.
Germany--History--1918-1933.
Germany--History--Kapp Putsch, 1920.
Germany--History--March Uprising, 1921.
Germany--History--Revolution, 1918.
Socialism--Germany--20th century.
Socialism--Germany--History--20th century
Princeton subject headings:
Germany--History, Military--20th century.
Germany--History--1918-1933.
Germany--History--Kapp Putsch, 1920.
Germany--History--March Uprising, 1921.
Germany--History--Revolution, 1918.
Socialism--Germany--History--20th century.