صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الأفعال المكروهة فى الصلاة التى قد نهي عنها المصلي
Chapters on Disliked Acts in Prayer
(355) باب فضل ترك مسح الحصا فى الصلاة
355 Chapter: Virtue of Leaving the Pebbles Alone in Prayer.
Imam Abu Bakr, may Allah have mercy on him, says that (regarding this) I have previously written the hadith of Sayyiduna Jabir, may Allah be pleased with him, from the Noble Prophet, peace and blessings be upon him.