مُسْنَدُ أَحْمَدَ
Musnad Ahmad 4157
Musnad of Abdullah bin Mas'ood
It was narrated from ‘Abdullah from the Prophet (ﷺ); 'Abdullah said: I How about the one who has three wives, a wife in Madinah, a wife in such and such, and a wife and such and such?
Musnad Ahmad 4185Its isnad is da’eef]