al-Khalīfah al-ʻādil ʻUmar ibn al-Khaṭṭāb
By: li-ʻAṭīyah ʻAbd al-Raḥīm ʻAṭīyah
Series: Dirāsāt fī al-Islām -- 139
Publisher: al-Majlis al-Aʻlá lil-Shuʼūn al-Islāmīyah
Published: 1972
Place of publication: al-Qāhirah
Language: ara
Number of pages: 174