The Book on Government (Kitab Al-Imara)

Muslim :: Book 20 : Hadith 4584

It has been narrated on the authority of 'Abdullah b. Abu Aufa who said: The Companions of the Tree (i e. those who swore fealty under the tree) were one thousand and three hundred, and the people of Aslam tribe were one-eighth of the Muhajirs.

Source materials are from the University of Southern California MSA site
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