Columbia subject headings:
Africa, North--Foreign relations--Spain.
Spain--Foreign relations--Africa, North.
Spain--History--711-1516.
Harvard subject headings:
Africa, North--Foreign relations--Spain.
Spain--Foreign relations--Africa, North.
Spain--History--711-1516.
Princeton subject headings:
Africa, North--Foreign relations--Spain.
Spain--Foreign relations--Africa, North.
Spain--History--711-1516.