مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2015
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from "Abbas that the Messenger of Allah (ﷺ) defecated, then ate, and he did not touch water (i.e., do wudoo)
Musnad Ahmad 2016Sahih (Darussalam) [ Muslim (374)]