It is necessary to validate religious sources in order to use them. In the path of validation of these works, one must enter through reliable ways. One of the effective components in the credibility of a scientific work is the personality and status of its author. The complete book of Al-Ziyarat is the work of Ja'far Ibn Qalwiya Qomi (AD 368 AH). The attribution of this work to its famous author has been questioned by one of the contemporary scholars and this doubt has arisen due to ambiguities in this field. is written. In this way, by using various evidences and in an analytical-library method, the problems and ambiguities related to this book have been criticized and the way to a fair judgment in relation to this book has been presented.The result of the review of written sources and complete manuscripts of the pilgrimages is as follows: 1. This book is the work of Ja'far ibn Muhammad Ibn Qalwiya and its narrator is Hosayn ibn Ahmad ibn Mughirah Bushnaji. Kamil al-Ziyarat is 4. The narration of the unknown or anonymous in this work and other ancient books is due to their basis in validation and cannot be a sign of the weakness of the Shiite narrative heritage or a sign of writing these books by weak and unknown people and their rejection of The authors knew their origin.