Columbia subject headings:
Democratization--Spain--History--20th century.
Oliart, Alberto, 1928-2021.
Politicians--Spain--Biography.
Spain--Politics and government--1975-1982.
Harvard subject headings:
Spain--History--1939-1975
Spain--Politics and government--1939-1975
Princeton subject headings:
Spain--History--1939-1975.
Spain--Politics and government--1939-1975.