Sahih Muslim Book 1, Hadith Number 85.

Chapter : Precedence of the believers over one another and the superiority of the people of Yemen in this respect.

Abu Huraira reported the same hadith which is transmitted to us by another chain of transmitters, e.g. Muhammad b. al-Muthanna, Ishaq b. Yusuf Azraq, Ibn ‘Aun, etc.