Musnad Abu Ya'la al-Mawsili 239:3

Al-Hasan ibn Hammad narrated to us, Husayn ibn Ali narrated to us, from Za'idah, from Abd al-Aziz ibn Rufay', from Abdullah ibn Ubayd ibn Umayr, who said: When Abd al-Rahman ibn Awf would enter his house, he would recite the Verse of the Throne (Ayat al-Kursi) in the corners of his house.