The growth of military institutions in the early caliphate and their relation to civilian authorityDONNER, F. M.Al-Qantara (Madrid). 1993, Vol 14, Num 2, pp 311-326, issn 0211-3589Article

The Formation of the Islamic StateDONNER, F. M.Journal of the American Oriental Society. 1986, Vol 106, Num 2, pp 283-296, issn 0003-0279Article

Some Early Arabic Inscriptions from Al-Hanakiyya, Saudi ArabiaDONNER, F. M.Journal of Near Eastern Studies Chicago, Ill. 1984, Vol 43, Num 3, pp 181-208Article