مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2595
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn ‘Abbas (رضي الله عنه) that A woman brought out a child of hers and said: O Messenger of Allah, is there Hajj for this one? He said: “Yes, and you will have a reward."
Musnad Ahmad 2610Saheeh]