Columbia subject headings:
Africa, North--History--647-1517.
Islamic cities and towns--Africa, North--History.
Islamic cities and towns--Spain--History.
Spain--History--711-1516.
Zīrid dynasty.
Harvard subject headings:
Africa, North--History--647-1517.
Islamic cities and towns--Africa, North--History.
Islamic cities and towns--Spain--History.
Spain--History--711-1516.
Ziride dynasty.
Princeton subject headings:
Africa, North--History--647-1517.
Islamic cities and towns--Africa, North--History.
Islamic cities and towns--Spain--History.
Spain--History--711-1516.
Ziride dynasty.