Ahmad ibn Salih al-Jili: Trustworthy, Zirr was an old sheikh, but there is some criticism of him regarding Ali, may God be pleased with him
Ibn Hajar al-'Asqalani: A trustworthy and respected scholar
Ibn 'Abd al-Barr al-Andalusi: He was a scholar of the Quran and an eloquent reciter
Muhammad ibn Sa'd, author of al-Waqidi: Trustworthy and talkative
Yahya ibn Ma'in: Trustworthy