مُسْنَدُ أَحْمَدَ
Musnad Ahmad 4190
Musnad of Abdullah bin Mas'ood
It was narrated that Khumair bin Malik said: ‘Abdullah said: I learned seventy-odd soorahs from the lips of The Messenger of Allah (ﷺ) when Zaid bin Thabit was still a young boy with a braid, learning how to read and write with the other boys.
Musnad Ahmad 4218A saheeh hadeeth, and its isnad is da’eef]