Al-Musta'sim (Cairo)

Al-Musta'sim (Arabic: المستعصم بالله‎), also known as Al-Mu'tasim (Arabic: المعتصم باالله‎), served twice (first in 1377, then again in 1386–1389) as Abbasid caliph of Cairo under the tutelage of Mamluk sultans.

Bibliography

• Garcin, Jean-Claude (1967). "Histoire, opposition, politique et piétisme traditionaliste dans le Ḥusn al Muḥādarat de Suyûti [History, opposition, politics and traditionalistic pietism in Suyuti's Ḥusn al Muḥādarat]" (in French) (PDF, 14.62 MB). Annales Islamologiques (Institut Français d'Archéologie Orientale) 7: pp. 33–90. http://www.ifao.egnet.net/anisl/AnIsl007_art_03.pdf. Retrieved 2010-07-22. 
• Holt, P. M. (1984). "Some Observations on the 'Abbāsid Caliphate of Cairo" (subscription required). Bulletin of the School of Oriental and African Studies (University of London) Vol. 47 (No. 3): pp. 501–507. JSTOR 618882. 

Al-Musta'sim (Cairo) Abbasid Born:  ? Died: 1389
Sunni Islam titles
Preceded by Al-Mutawakkil I	Caliph of Islam 1377	Succeeded by Al-Mutawakkil I
Preceded by Al-Wathiq II	Caliph of Islam 1386–1389	Succeeded by Al-Mutawakkil I