Title: Dirāsāt fī al-ʻalāqāt bayna al-dawlah al-Islāmīyah wa-al-dawlah al-Bīzānṭīyah fī al-ʻAṣr al-ʻAbbāsī al-Awwal, 132-232 H/749-846 M
Subjects: Foreign relations