Clarification of the Transmission Chain to Al-Qasim Ibn Urwah

Everything in this book that is narrated from Al-Qasim ibn Urwah has been transmitted by me from my father - may Allah سبحانه وتعالى be pleased with him - from Abdullah ibn Jafar Al-Himyari, from Harun ibn Muslim ibn Sadan, from Al-Qasim ibn Urwah.