Title: ʻAṣr al-dawlatayn al-Umawīyah wa-al-ʻAbbāsīyah wa-taʼthīr fiqh al-Khawārij ʻalá al-ḥayāh al-siyāsīyah
Subjects: Kharijites, History, Abbasids
Places: North Africa
People: Umayyad dynasty
Time periods: 647-1517