Title: Mā khālafahu al-qiyās wa-al-afṣaḥ fī al-Ṣaḥīḥayn
Subjects: Hadith, Language, style
People: Muslim ibn al-Ḥajjāj al-Qushayrī (ca. 821-875), Muḥammad ibn Ismāʻīl Bukhārī (810-870)