Columbia subject headings:
Harvard subject headings:
Africa, North--History--647-1517--Congresses.
Fatimites--Congresses.
Ismailites--Congresses.
Nuʻmān ibn Muḥammad, Abū Ḥanīfah, -974--Congresses.
Princeton subject headings:
Africa, North--History--647-1517--Congresses.
Fatimites--History--Congresses.
Nuʻmān ibn Muḥammad, Abū Ḥanīfah, -974--Congresses.