Al-Sunnah by Abu Bakr ibn al-Khallal
Volume 1 · Page 232The virtues of our Prophet Muhammad, may Allah bless him and grant him peace, Abu al-Qasim, the Prophet of Mercy, peace be upon him
Arabic (Source)
فَضَائِلُ نَبِيِّنَا مُحَمَّدٍ صَلَّى اللهُ عَلَيْهِ وَسَلَّمَ أَبُو الْقَاسِمِ نَبِيُّ الرَّحْمَةِ عَلَيْهِ السَّلَامُ