Mizan I'tida'l - Imam Dhahabi, Publish: Dar al-Kutub al-Ilmiyah, Beirut/Lebanon

Narrated By Ibn Umar, Ibn Umar said that he swore by Allah that Raf' al-Yadain is Bid'ah and that he had never seen the Prophet (may Allah bless him and grant him peace) practicing it. [Mizan I'tida'l - Imam Dhahabi Volume 02, Page No. 26, #1192]