Columbia subject headings:
Right and left (Political science)--Spain--History--20th century.
Spain--History--Republic, 1931-1939.
Spain--Politics and government--20th century.
Harvard subject headings:
Princeton subject headings:
Right and left (Political science)--Spain--History--20th century.
Spain--History--Republic, 1931-1939.
Spain--Politics and government--1931-1939.