Title: Taḥlīl akūstīkī li-wujūh al-ikhtilāf al-ṣawtī bayna Warsh wa-Qālūn fī qirāʼat Nāfiʻ
Subjects: Readings, Qurʼan
People: Nāfiʻ ibn ʻAbd al-Raḥmān Qāriʼ (-785 or 786), Qālūn, ʻĪsá (737 or 738-835), Warsh al-Miṣrī, ʻUthmān ibn Saʻīd (728 or 729-812 or 813)