(24) The Book of Hajj
كتاب مناسك الحج
(157) Chapter: Touching the two Yemeni corners
(157) باب مَسْحِ الرُّكْنَيْنِ الْيَمَانِيَيْنِ
Sunan an-Nasa'i 2949 
It was narrated from Salim that his father said:
"I did not see the Messenger of Allah touching any part of the House except the two Yemeni Corners."
أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنِ ابْنِ شِهَابٍ، عَنْ سَالِمٍ، عَنْ أَبِيهِ، قَالَ لَمْ أَرَ رَسُولَ اللَّهِ صلى الله عليه وسلم يَمْسَحُ مِنَ الْبَيْتِ إِلاَّ الرُّكْنَيْنِ الْيَمَانِيَيْنِ ‏.‏
Grade :  Sahih (Darussalam)
Reference : Sunan an-Nasa'i 2949
In-book reference : Book 24, Hadith 332
English translation : Vol. 3, Book 24, Hadith 2952