Columbia subject headings:
Church and state--Spain.
Laicism--Spain--History--20th century.
Secularism--Spain--History--20th century.
Harvard subject headings:
Anti-clericalism--Spain--History--20th century.
Catholic Church--Spain--History--20th century.
Church and state--Spain--History--20th century
Spain--Church history--20th century.
Princeton subject headings:
Church and state--Spain.
Laicism--Spain--History--20th century.
Secularism--Spain--History--20th century.