مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3307
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that When the Prophet (ﷺ) came, he continued reciting from the point that Abu Bakr (رضي الله عنه) had reached.
Musnad Ahmad 3330Its isnad is saheeh]