TY - `BOOK` AU - Ṭabarī, Muḥammad Ibn-Ǧarīr aṭ- A2 - Ṣalībā, Ǧūrǧ TI - The crisis of the ʿAbbāsid Caliphate : [the Caliphates of al-Mustaʿīn and al-Muʿtazz; A. D. 862 - 869, A. H. 248 - 255] PB - State Univ. of New York Press CY - Albany, NY PY - 1985 LA - eng SE - XII, 187 S. T2 - SUNY series in Near Eastern studies T2 - Bibliotheca Persica SN - 0-87395-883-7 SN - 978-0-87395-883-7 CN - 87 A 10795::35 CN - <OR> FF 2008 - 032.30 AN - UBHD-3493064 ER -