مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3499
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Abu Mijlaz that A man came to Ibn ‘Abbas (رضي الله عنه) and said: I threw six or seven (pebbles, at the Jamrah). He said: I am not sure whether the Messenger of Allah (ﷺ) threw six or seven (pebbles) at the jamrah.
Musnad Ahmad 3522Its isnad is saheeh]