Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh))

Bukhari :: Book 6 :: Volume 60 :: Hadith 67

Narrated Ibn Abbas:

The last Verse (in the Quran) revealed to the Prophet was the Verse dealing with usury (i.e. Riba).

Source materials are from the University of Southern California MSA site
Hadith eBooks converted from Imaan Star