Geoffrey Khan, Arabic Documents from Medieval Nubia (University of Cambridge and Open Book Publishers, 2024).
How to cite this record:
Pratima Gopalakrishnan and Marina Rustow, "Īsū (eparch at Qaṣr Ibrīm)," available online through the Princeton Geniza Project at https://geniza.princeton.edu/people/eparch-isu/, accessed August 7, 2026.