Muwatta Malik, Book 20, Hadith 156 (USC-MSA)

Yahya related to me from Malik from Thawr ibn Zayd ad-Dili from Abdullah ibn Abbas the same as that.

وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ ثَوْرِ بْنِ زَيْدٍ الدِّيلِيِّ، عَنْ عَبْدِ اللَّهِ بْنِ عَبَّاسٍ، مِثْلَ ذَلِكَ ‏.‏

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also referenced under: Book 20, Hadith 859 (In-Book)