Approved Emissaries
Kitāb al-Ghayba|Volume 1|Book 1|Chapter 41
ومنهم علي بن جعفر الهماني، وكان فاضلا مرضيا من وكلاء أبي الحسن وأبي محمد عليهما السلام.
And among them Ali bin Ja’far Hammani, he was an accomplished man with a pleasing personality and was a representative of Imam Hadi and Imam Hasan Askari 
.
