Title: Kitāb al-raḥmah al-ghaythīyah bil-tarjamah al-Laythīyah fī manāqib al-Imām al-Layth ibn Saʻd
People: Layth ibn Saʻd (713-791), Muḥammad ibn Idrīs Shāfiʻī (767 or 768-820)