Musnad Ahmad 8:40

Ali ibn Ishaq narrated to us, from Ibn al-Mubarak, from Usama, who said: Muhammad ibn Abdullah ibn Amr ibn Uthman informed me that Muhammad ibn Abd al-Rahman ibn Abi Labiba informed him. My father said: And Yahya—meaning al-Qattan—also said: Ibn Abi Labiba, except that he said: From Usama, who said: Muhammad ibn Abd al-Rahman ibn Labiba narrated to me.