Columbia subject headings:
Arabs--Spain--History--Congresses.
Spain--Civilization--711-1516--Congresses.
Spain--Civilization--Islamic influences--Congresses.
Harvard subject headings:
Arabs--Spain--History--Congresses.
Islamic civilization--Congresses
Spain--Civilization--711-1516--Congresses.
Princeton subject headings:
Arabs--Spain--History--Congresses.
Spain--Civilization, Islamic--Congresses.
Spain--Civilization--711-1516--Congresses.