Sahih Bukhari
Merits of the Helpers in Madinah (Ansaar)
Volume: 005 / Book Number: 058 / Hadith Number: 184
Narrated Ghailan bin Jarir:
We used to visit Anas bin Malik and he used to talk to us about the Ansar, and used to say to me: "Your people did so-and-so on such-and-such a day, and your people did so-and-so on such-and-such a day."