مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1830
Musnad of al-Fadl bin 'Abbas & narrating from the Prophet
It was narrated from Ibn "Abbas that the Messenger of Allah (ﷺ) seated Usamah behind him on his mount from ‘Arafat to Muzdalifah, and he seated al-Fadl behind him on his mount from Muzdalifah to Mina. And he told him that the Messenger of Allah (ﷺ) continued to recite the Talbiyah until he stoned Jamratal-"Aqabah.
Musnad Ahmad 1831Sahih because of corroborating evidence; see 1791]