Bukhari Collection: ::Book Number 4:: Hadith # 315
Narrated Ibn Abi Mulaika:Ibn Az-Zubair said to Ibn Ja`far "Do you remember when I, you and Ibn `Abbas went out to receive Allah's Apostle?" Ibn Ja`far replied in the affirmative. Ibn Az-Zubair added, "And Allah's Apostle made us (i.e. I and Ibn `Abbas) ride along with him and left you."