Columbia subject headings:
Authoritarianism--Spain.
Conservatism--Spain.
Spain--History--Alfonso XIII, 1886-1931.
Harvard subject headings:
Authoritarianism--Spain.
Conservatism--Spain.
Spain--History--Alfonso XIII, 1886-1931.
Princeton subject headings:
Authoritarianism--Spain.
Conservatism--Spain.
Spain--History--1931-1939.
Spain--History--Alfonso XIII, 1886-1931.