Columbia subject headings:
Democracy--Spain.
Spain--History--Republic, 1931-1939.
Spain--Politics and government--1931-1939.
Harvard subject headings:
Democracy--Spain
Spain--History--Republic, 1931-1939.
Spain--Politics and government--1931-1939.
Princeton subject headings:
Democracy--Spain.
Spain--History--Republic, 1931-1939.
Spain--Politics and government--1931-1939.