مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2171
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) besieged the people of at-Ta'if. Two slaves came out to him and he set them free; one of them was Abu Bakrah. The Messenger of Allah (ﷺ) used to set slaves free if they came out to him.
Musnad Ahmad 2176Hasan because of corroborating evidence and its isnad is da’