See his The Origins of the Islamic State (tr., 2 vol., 1916-24).
The History of al-Tabari, vol. 9, The Last Years of the Prophet. The Formation of the State, A.D. 630-632/ A.H. 8-11.
Jul 01, 1993; translation of al-Tabari's Tarikh is here evidenced by three volumes (from a total of four when the series is completed) dealing...