Columbia subject headings:
Africa, North--History--647-1517--Sources.
Islamic Empire--History--1258-1517--Sources.
Islamic Empire--History--750-1258--Sources.
Spain--History--711-1516--Sources.
Harvard subject headings:
Africa, North--Politics and government--Sources.
Islamic Empire--Politics and government--Sources.
Spain--Politics and government--To 1479--Sources.
Princeton subject headings:
Africa, North--Politics and government--Sources.
Islamic Empire--Politics and government--Sources.
Spain--Politics and government--to 1479--Sources.