Columbia subject headings:
Harvard subject headings:
Militarism--History--20th century.
Pacifism--History--20th century.
Peace movements--History--20th century.
Public opinion--History--20th century.
World War, 1914-1918--Peace
World War, 1914-1918--Protest movements.
World War, 1914-1918--Public opinion
Princeton subject headings:
Militarism--History--20th century.
Pacifism--History--20th century.
Peace movements--History--20th century.
Public opinion--History--20th century.
World War, 1914-1918--Peace.
World War, 1914-1918--Protest movements.
World War, 1914-1918--Public opinion.