Abu Dawud Book 24, Hadith Number 3945.
Chapter : Freedom of a slave after the death of his master mudabbar.
Narated By N/A : The tradition mentioned above has also been transmitted by Jabir b. ‘Abd Allah through a different chain of narrators. This version-added: The Prophet (may peace be upon him) said: You are more entitled to his price, and Allah has no need of it.