-Moojan Momen (Usuli, Akhbari, Shaykhi, Babi: The Tribulations of a Qazvin Family)
Shaykh Ahmad insisted that the authority for his teaching came from his direct contact with the Imams in the realm of visions
-Moojan Momen (Usuli, Akhbari, Shaykhi, Babi: The Tribulations of a Qazvin Family)