مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3406
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Abu Jamrah - 'Affan said, Abu jamrah told us - from Ibn 'Abbas (رضي الله عنه) who said: The Messenger of Allah (ﷺ) stayed in Makkah for thirteen years and in Madinah for ten years, receiving Revelation, and he died when he was sixty-three years old.
Musnad Ahmad 3429Its isnad is saheeh]