Columbia subject headings:
Harvard subject headings:
Catholic Church--Spain--Congresses.
Christianity and the arts--Spain--Congresses.
Christianity--Spain--Congresses.
Spain--Religious life and customs--Congresses.
Princeton subject headings:
Catholic Church--Spain--Congresses.
Christianity and the arts--Spain--Congresses.
Christianity--Spain--Congresses.
Spain--Religious life and customs--Congresses.