Muḥammad ibn Aḥmad Ibn al-Qammāḥ

• al-Mulakhkhaṣ min kitāb al-Farq bayna al-Sīn wa-al-Ṣād li-Abī al-Ḥasan Muḥammad ibn Kaysān al-Naḥwī, al-mutawafá sanat 320 H