Columbia subject headings:
Germany--Politics and government--1871-1933.
Germany. Heer--Officers--History.
Pacifism--Germany--History.
Pacifists--Germany--History.
Harvard subject headings:
Germany--Armed Forces--Officers--History.
Pacifists--Germany--History.
Princeton subject headings:
Germany--Armed Forces--Officers--History.
Pacifists--Germany--History.