مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2704
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Fatimah bint Husain said: I heard Ibn 'Abbas (رضي الله عنه) say: The Messenger of Allah (ﷺ) forbade us to stare at lepers.
Musnad Ahmad 2721Its isnad is da'eef]