Title: Dirāsah ʻan al-Muʼtaman ibn al-ʻAssāl wa-kitābihi "Majmūʻ uṣūl al-dīn" wa-taḥqīqih
Subjects: Theology, History
People: Ibn al-ʻAssāl, al-Muʼtaman Abū Isḥāq Ibrāhīm (active 13th century)
Time periods: Middle Ages, 600-1500