مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3414
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: I prayed with the Prophet (ﷺ). I stood beside him on his left, and he took hold of me and made me stand on his right. And Ibn 'Abbas said. At that time I was ten years old.
Musnad Ahmad 3437A saheeh hadeeth, apart from the words, "At that time I was