taʻlīf al-Imām Jamāl al-Dīn Abū al-Faraj ibn al-Jawzī ; ṣaḥḥaḥahu Ḥasan al-Hādī Ḥusayn. Tārīkh ʻUmar ibn al-Khaṭṭāb : awwal ḥakīm dīmuqrāṭī fī al-Islām /. Maktabah al-Jadīdah,, 1935.