Columbia subject headings:
Harvard subject headings:
Dissenters--Spain--History--20th century.
Francoism.
Spain--History--1939-1975.
Spain--Politics and government--1939-1975.
Subversive activities--Spain--History--20th century.
Princeton subject headings:
Dissenters--Spain--History--20th century.
Francoism.
Spain--History--1939-1975.
Subversive activities--Spain--History--20th century.