Columbia subject headings:
Intelligence service--Spain--History--20th century.
Spain--Politics and government--1975-1982.
Harvard subject headings:
Democratization--Spain--History--20th century.
Spain--Politics and government--20th century.
Spies--Spain--History--20th century.
Suárez, Adolfo, 1932-2014.
Princeton subject headings:
Democratization--Spain--History--20th century.
Spain--Politics and government--20th century.
Spies--Spain--History--20th century.
Suárez, Adolfo, 1932-2014.