Clarification of the Transmission Chain to Zakariyya Ibn Adam

Everything in this book that is narrated from Zakariyya ibn Adam has been transmitted by me from Ahmad ibn Ziyad ibn Jafar Al-Hamadani - may Allah سبحانه وتعالى be pleased with him - from Ali ibn Ibrahim, from Ahmad ibn Ishaq ibn Sa'd, from Zakariyya ibn Adam Al-Qummi, the companion of Imam Al-Ridha عليه السلام.