Everything in this book that is narrated from Al-Hasan ibn Al-Sirri has been transmitted by me from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with him - from Al-Hasan ibn Matil Al-Daqqaq, from Muhammad ibn Al-Husayn ibn Abi Al-Khattab, from Ja'far ibn Bashir, from Al-Hasan ibn Al-Sirri.