مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2083
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that al Hasan - i.e., al-'Urani - said: Ibn 'Abbas said: We do not know whether the Messenger of Allah (ﷺ) recited Qurʼan in Zuhr and ‘Asr, but we recite it.
Musnad Ahmad 2085Its isnad is da'eef because it is interrupted]