Musnad Abu Ya'la al-Mawsili 152:342

Abdullah ibn Amir ibn Zurarah narrated to us, Muhammad ibn al-Fadl ibn Atiyyah narrated to us, from Mansur, from Ibrahim, from Alqamah, from Abdullah, who said: When the Messenger of Allah (peace and blessings of Allah be upon him) would ascend the pulpit, we would face him with our faces.