The Book Pertaining to the Merits of the Companions (Allah Be Pleased With Them) of the Holy Prophet (May Peace Be Upon Him) (Kitab Al-Fada'il Al-Sahabah)
Muslim :: Book 31 : Hadith 6143
Anas reported that Allah's Messenger (may peace be upon him) established fraternity between Abu Ubaida b. Jarrah and Abu Talha.