Virtues of the Prayer Hall (Sutra of the Musalla)
Bukhari :: Book 1 :: Volume 9 :: Hadith 475
Narrated Sahl (bin Sa'd):
The distance between the Musalla of Allah's Apostle and the wall was just sufficient for a sheep to pass through .
Source materials are from the University of Southern California MSA site|
Hadith eBooks converted from Imaan Star