Ṭabaqāt al-Naḥwīyīn wa-al-lughawīyīn - Abū Bakr al-Zubaydī, Muḥammad ibn al-Ḥasan, 928 or 929-989 or 990, (Muḥammad Sāmī Amīn al-Khānjī al-Kutubī, 1954)