20-2 The same tradition has been narrated by Muhammad ibn Isam al-Kolayni, Ali ibn Ahmad ibn Muhammad ibn Imran al-Daqqaq, Ali ibn Abdullah al-Warraq, Al-Hassan ibn Ahmad al-Mu’addib, and Al-Hussein ibn Ibrahim ibn Ahmad ibn Hisham al-Mu’addib - may God be pleased with them - who narrated it on the authority of Muhammad ibn Yaqoob al-Kolayni, on the authority of Abu Muhammad Al-Qasim ibn al-Ula, on the authority of Al-Qasim ibn Muslim, on the authority of his brother Abdul Aziz ibn Muslim, on the authority of Al-Ridha (s).