Columbia subject headings:
Harvard subject headings:
Caliphate
Caliphs.
Ibn Ḥazm, ʻAlī ibn Aḥmad, 994-1064. Imāmah wa-al-siyāsah.
Islamic Empire--History.
Islamic Empire--Kings and rulers.
Islamic Empire--Politics and government.
Princeton subject headings:
Caliphate.
Caliphs.
Ibn Ḥazm, ʻAlī ibn Aḥmad, 994-1064. Imāmah wa-al-siyāsah.
Islamic Empire--History.
Islamic Empire--Kings and rulers.
Islamic Empire--Politics and government.