al-Mukhtār min Rasāʼil Abī Isḥāq Ibrāhīm ibn Hilāl ibn Zahrūn al-Ṣābī - Ṣābī, Ibrāhīm ibn Hilāl, 925-994 (al-Maṭbaʻah al-ʻUthmānīyah, 1898)