Columbia subject headings:
Catholic Church--Political activity--Spain.
Church and state--Spain--History--20th century.
Spain--Church history--20th century.
Harvard subject headings:
Catholic Church--Spain--Political activity.
Church and state--Spain--History--20th century
Spain--Church history--20th century.
Princeton subject headings:
Catholic Church--Spain--Political activity.
Church and state--Spain--History--20th century.
Spain--Church history--20th century.