Al-Ghadir sermon is one of the proofs Shi’a bring for the guardianship of Imam ‘Ali (a) after the Prophet (s) . ‘Abd al-Husayn Amini collected all the references for this sermon and the Hadith al-Ghadir from Sunni sources and published them together with all other supportive reasons for the event of Ghadir in 11 volumes in his book al-Ghadir