The Background to Islam.

von Donner, Fred M.
Veröffentlicht in The Cambridge companion to the Age of Justinian.
Cambridge : Cambridge University Press, 2005.
Umfang/Format: 510-533 : Abb.

Christians and others in the Umayyad state

Late antique and medieval Islamic Near East no. 1
Chicago, Illinois : Oriental Institute of the University of Chicago, 2016.
Umfang/Format: ix, 213 pages : illustrations (some colour), maps, plans ; 26 cm.