Musnad Abu Ya'la al-Mawsili 4:21

'Abd al-A'la and Muhammad ibn Abi Bakr al-Muqaddami narrated to us, they said: Mu'tamir ibn Sulayman narrated to us, he said: I heard my father, he said: Abu 'Uthman narrated to us, he said: There remained with the Messenger of Allah, may Allah bless him and grant him peace, during those days in which the Messenger of Allah, may Allah bless him and grant him peace, was fighting, none other than Talhah and Sa'd, according to their narration.