Columbia subject headings:
Christianity--Spain--History.
Islam--Spain--History.
Judaism--Spain--History.
Religions--Relations.
Spain--Civilization.
Spain--Religion.
Harvard subject headings:
Christianity--Spain--History.
Church history.
Islam--Spain--History
Judaism--Spain--History.
Religions--Relations
Spain--Civilization.
Spain--Religion.
Princeton subject headings:
Christianity--Spain--History.
Islam--Spain--History.
Judaism--Spain--History.
Religions--Relations.
Spain--Civilization.
Spain--Religion.