Columbia subject headings:
Harvard subject headings:
Catalonia (Spain)--Church history.
Catholic Church--Spain--Catalonia--History--20th century.
Persecution--Spain--Catalonia--History--20th century.
Spain--History--Civil War, 1936-1939.
Princeton subject headings:
Catalonia (Spain)--Church history.
Catholic Church--Spain--Catalonia--History--20th century.
Persecution--Spain--Catalonia--History--20th century.
Spain--History--Civil War, 1936-1939.