Title: al-ʻ Āmil al-lughawī bayna Sibawayh wa-al-Farrāʼ
Subjects: Arabic language, Grammar
People: Sībawayh, ʻAmr ibn ʻUthmān (8th cent), Yaḥyá ibn Ziyād Farrāʾ (761 or 2-822 or 3)