مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3389
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Ibn 'Abbas (رضي الله عنه) said: The Messenger of Allah (ﷺ) married Maimoonah bint al-Harith when he was in ihram.
Musnad Ahmad 3412Its isnad is qawi, al-Bukhari (1837) and Muslim (1410)]