Columbia subject headings:
Pacifism--Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Civilian relief.
War Resisters' International--History.
Harvard subject headings:
Princeton subject headings:
Pacifism--Spain--History--20th century.
Spain--History--Civil War, 1936-1939--Civilian relief.
War Resisters' International--History.