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