مُسْنَدُ أَحْمَدَ
Musnad Ahmad 2873
Musnad of 'Abdullah bin al-'Abbas bin 'Abdul-Muttalib from the Prophet
It was narrated from Ibn 'Abbas (رضي الله عنه) that: The Prophet (ﷺ) said: "Good dreams are one of the seventy parts of Prophethood.”
Musnad Ahmad 2894Saheeh because of corroborating evidence]