Everything in this book that is narrated from Ahmad ibn Abi Abdullah Al-Barqi has been transmitted by me from my father and from Muhammad ibn Al-Hasan - may Allah (swt) be pleased with them both - from Sa'd ibn Abdullah, from Ahmad ibn Abi Abdullah Al-Barqi. I have also narrated it from my father and from Muhammad ibn Musa ibn Al-Mutawakkil - may Allah (swt) be pleased with them both - from Ali ibn Al-Husayn Al-Sa'dabadi, from Ahmad ibn Abi Abdullah Al-Barqi.