Title: Min masāʼil al-khilāf bayna Sībawayh wa-al-Akhfash
Subjects: Arabic language, Grammar
People: Saʻīd ibn Masʻadah Akhfash al-Awsaṭ (d. ca. 830), Sībawayh, ʻAmr ibn ʻUthmān (8th cent)