مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2142
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that 'Abdullah bin Abi Mulaikah said: I saw Ibn az-Zubair (رضي الله عنه) and Ibn 'Abbas (رضي الله عنه), and Ibn az-Zubair said to Ibn al-'Abbas. Do you remember when we went out to welcome the Messenger of Allah (ﷺ) when he came back from a journey? He said: Yes; he carried me and So and so - a boy from Banu Hashim - and left you.
Musnad Ahmad 2146lts isnad is saheeh]