Columbia subject headings:
Fatimites--History.
Ḥākim bi-Amr Allāh, Caliph of Egypt, 985-approximately 1021.
Harvard subject headings:
Fatimites--History.
Ḥākim bi-Amr Allāh, Caliph of Egypt, 985-approximately 1021.
Princeton subject headings:
Fatimites--History.
Ḥākim bi-Amr Allāh, Caliph of Egypt, 985-approximately 1021.