Volume 2, Book 23, Number 408:
Narrated Ash-Shaibani:
Ash-Sha’bi said, “Somebody who passed along with your Prophet (p.b.u.h) by a grave that was sep –
arate from the other graves informed me (saying), “The Prophet led us (in the prayer) and we aligned
behind him.” We said, “O Abu ‘Amr! Who told you this narration?” He replied, “Ibn Abbas.”