مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2501
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Abu Hassan said: A man from Balhujaim said: O Abu ‘Abbas, what about this verdict that may become widespread among the people, that whoever circumambulates the Ka'bah may exit ihram? He said: This is the Sunnah of your Prophet (ﷺ) , even if you do not like it.
Musnad Ahmad 2513Its isnad is saheeh, Muslim (1244)]