مصنف ابن ابي شيبه
Musannaf Ibn Abi Shaybah
سجود السهو والعمل في الصلاةProstration of Forgetfulness and Actions in Salah
الرجل يصلي مع الرجل يقيمه عن يمينه (١٢٨)If there is one imam and one follower, the imam should place the follower on his right
Hadith 5019
٥٠١٩ - حدثنا سهل بن يوسف عن ابن عون عن محمد قال: كان ابن عباس إذا صلّى معه رجل أقامه عن يمينه (١).
Muhammad says that when someone performed prayer with Hazrat Ibn Abbas (may Allah be pleased with both of them), he would make him stand on his right side.
