Columbia subject headings:
Government, Resistance to--Spain--History--20th century.
Political persecution--Spain--History--20th century.
Spain--History--1939-1975.
Harvard subject headings:
Government, Resistance to--Spain--History--20th century
Spain--Politics and government--1939-1975.
Princeton subject headings:
Government, Resistance to--Spain--History--20th century.
Political persecution--Spain--History--20th century.
Spain--History--1939-1975.