Columbia subject headings:
Madrid (Spain)--History--20th century.
Madrid (Spain)--Politics and government--20th century.
Spain--Politics and government--1975-1982.
Harvard subject headings:
Madrid (Spain)--History--20th century.
Madrid (Spain)--Politics and government--20th century.
Spain--Politics and government--1975-
Princeton subject headings:
Madrid (Spain)--History--20th century.
Madrid (Spain)--Politics and government--20th century.
Spain--Politics and government--1975-.