Columbia subject headings:
Harvard subject headings:
Militarism.
Nonviolence
Pacifism
Peace--Societies, etc.--History.
War Resisters' International--History.
Princeton subject headings:
Deutsche Friedensgesellschaft--Vereinigte KriegsdienstgegnerInnen--History.
Pacifism--Societies, etc.
War Resisters' International--History.