مُسْنَدُ أَحْمَدَ
Musnad Ahmad 4183
Musnad of Abdullah bin Mas'ood
It was narrated that "Alqamah said: Ibn Mas'ood (رضي الله عنه) said: Shall I lead you in prayer as the Messenger of Allah prayed? Then he raised his hands at the beginning.
Musnad Ahmad 4211Its men are reliable(thiqat) it is a repeat of 3681]