مُسْنَدُ أَحْمَدَ
Musnad Ahmad 1927
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated that Tawoos said: I heard Ibn "Abbas say: As for what the Messenger of Allah (ﷺ) forbade to be sold before possession was taken of it, that is food. And Ibn "Abbas stated his opinion: I think everything is like that.
Musnad Ahmad 1928Sahih (Darussalam) [ al-Bukhari (1235) and Muslim (1525)]