سُنَنُ النَّسَائِيِّ
Sunan an-Nasa’i 4241
The Book of al-Fara' and al-'Atirah
The Skin Of Dead Animals (Those Not Slaughtered Or Killed Properly)
أَخْبَرَنَا قُتَيْبَةُ، وَعَلِيُّ بْنُ حُجْرٍ، عَنْ سُفْيَانَ، عَنْ زَيْدِ بْنِ أَسْلَمَ، عَنِ ابْنِ وَعْلَةَ، عَنِ ابْنِ عَبَّاسٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم أَيُّمَا إِهَابٍ دُبِغَ فَقَدْ طَهُرَ .
It was narrated that Ibn 'Abbas said: "The Messenger of Allah said: 'Any skin that is tanned has been purified."'
Sunan an-Nasa'i, 4241Sahih (Darussalam)