صحيح ابن خزيمه
Sahih Ibn Khuzaymah
جماع أبواب الاستنجاء بالأحجارChapters on Cleaning with Stones
(57) بَابُ الْأَمْرِ بِالِاسْتِطَابَةِ بِالْأَحْجَارِ،Chapter 57: Command to use stones for cleaning oneself
Hadith Q74
وَالدَّلِيلُ عَلَى أَنَّ الِاسْتِطَابَةَ بِالْأَحْجَارِ يُجْزِي دُونَ الْمَاءِ
And the explanation of the evidence that performing istinja (cleaning oneself) with only stones without using water is also sufficient.
