Steven M. Wasserstrom, The 'Isawiyya Revisited, Studia Islamica, no. 75 (1992), pp. 57-80. His religious movement was remarkable for accepting both Jesus and Muhammed as valid prophets, but only for their own communities. He accepted a list of seven prophets or rusul, with himself as sixth. These are similar, but not identical to, the list in the Kālacakra. An interesting example of Jewish accommodation to an Islamic milieu. He prohibited meat, wine and divorce.
Steven M. Wasserstrom, Between Muslim and Jew: The Problem of Symbiosis under Early Islam, Princeton University Press (Princeton 1995).
