taʼlīf Imām Jamāl al-Dīn Abū al-Faraj ibn al-Jūzī ; ṣaḥḥaḥahu Ḥasan al-Hādī Ḥusayn ([between 1807 and 1970]) Taʼrīkh ʻUmar ibn al-Khaṭṭāb : awwal ḥākim dīmuqrāṭī fī al-Islām /. Maṭbaʻat Muḥammad ʻAlī Ṣabīḥ,. ISBN: .