Title: ʻIlm al-ʻilal al-naḥwīyah fī al-lisānīyāt al-ʻArabīyah ʻind Abī al-ḥasan Muḥammad ibn ʻAbd Allāh al-Warrāq
Subjects: Arabic language, Grammar
People: Muḥammad ibn ʻAbd Allāh Ibn al-Warrāq (-991 or 992)