Abu Dawud
Book Of Emancipation Of Slaves
Book Number: 024 / Hadith Number: 3937
Narated By N/A : Ibn al-Thalabb reported on the authority of his father: A man emancipated his share in a slave. The Prophet (may peace be upon him) did not put the responsibility on him to emancipate the rest.
Ahmad said: The name Ibn al-Thalabb is to be pronounced with ta' (and not with tha). As Shu'bah could not pronounce ta, he said tha.