Columbia subject headings:
Harvard subject headings:
Christianity and other religions--Islam--History.
Christians--Spain--History--Sources.
Islam--Relations--Christianity--History.
Muslims--Spain--History--Sources.
Spain--Civilization--711-1516--Sources.
Spain--Ethnic relations--Sources.
Princeton subject headings:
Christianity and other religions--Islam--History--Sources.
Islam--Relations--Christianity--History--Sources.
Spain--History--711-1516--Sources.