Columbia subject headings:
Harvard subject headings:
Islam--Africa, West--History
Mauritania--History.
Senegal--History.
Princeton subject headings:
Islamic law--Early works to 1800.
Islamic law--Songhai Empire.
Maghīlī, Muḥammad ibn ʻAbd al-Karīm, -1503 or 1504.
Songhai Empire--History.