Columbia subject headings:
Democratization--Spain--History--20th century.
Social movements--Spain--History--20th century.
Spain--Social conditions--20th century.
Harvard subject headings:
Democracy--Spain--History--20th century.
Democratization--Spain--History--20th century.
Social movements--Spain--History--20th century.
Spain--Politics and government--1975-1982.
Princeton subject headings:
Democratization--Spain--History--20th century.
Social movements--Spain--History--20th century.
Spain--Social conditions--20th century.