Columbia subject headings:
Harvard subject headings:
Juan Carlos I, King of Spain, 1938-
Spain--History--1939-1975.
Spain--History--1975-
Spain--Kings and rulers--Biography.
Spain--Politics and government--1939-1975.
Spain--Politics and government--1975-1982.
Princeton subject headings:
Juan Carlos I, King of Spain, 1938-
Spain--History--1939-1975.
Spain--History--1975-
Spain--Kings and rulers--Biography.