Musnad Ahmad 765:8

Rawh narrated to us, Usamah ibn Zayd narrated to us, al-Zuhri narrated to us, Abd al-Rahman ibn Azhar al-Zuhri narrated to me, he said: I saw the Messenger of Allah, may Allah bless him and grant him peace, moving through the people, asking about the dwelling of Khalid ibn al-Walid, and he mentioned it.