Columbia subject headings:
Civil-military relations--Spain.
Spain--Politics and government--20th century.
Spain--Republic, 1931-1939.
Spain. Cuerpo de la Guardia Civil--History--20th century.
Harvard subject headings:
Civil-military relations--Spain.
Spain--Politics and government--20th century.
Spain--Spain--Republic, 1931-1939.
Spain. Cuerpo de la Guardia Civil--History--20th century.
Princeton subject headings: