(82) باب كِتَابِ النَّبِيِّ صلى الله عليه وسلم إِلَى كِسْرَى وَقَيْصَرَ
Narrated As-Sa'ib bin Yazid:
I remember that I went out with the boys to (the place called) Thaniyat-ul-Wada` to receive Allah's Apostle .
Reference: Sahih al-Bukhari 4426
In-book reference: Book 64, Hadith 448
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 5, Book 59, Hadith 710