Columbia subject headings:
Catholic Church--Spain--History--20th century.
Church and state--Spain--History--20th century.
Spain--History--Republic, 1931-1939.
Harvard subject headings:
Catholic Church--Spain--History--20th century.
Church and state--Spain--History--20th century
Spain--Politics and government--1931-1939
Spain--Relations--Vatican City.
Vatican City--Relations--Spain.
Princeton subject headings:
Catholic Church--Spain--History--20th century.
Church and state--Spain--History--20th century.
Spain--Politics and government--1931-1939.
Spain--Relations--Vatican City.
Vatican City--Relations--Spain.