مُسْنَدُ أَحْمَدَ
Musnad Ahmad 3029
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
'Abdul-Kareem narrated: One who heard Ibn ‘Abbas (رضي الله عنه) told me that he said that The Messenger of Allah (ﷺ) instructed Duba'ah to stipulate a condition when she entered ihram.
Musnad Ahmad 3053A saheeh hadeeth; this is a da'eef isnad]