Everything in this book that is narrated from Saif Al-Tammar has been transmitted by me from Muhammad ibn Musa ibn Al-Mutawakkil - may Allah (swt) have mercy on him - from Ali ibn Al-Husayn Al-Sa'dabadi, from Ahmad ibn Abi Abdullah Al-Barqi, from Al-Hasan ibn Mahbub, from Al-Hasan ibn Ribbat, from Saif Al-Tammar.