And whatever is narrated from Al-Hasan ibn Harun, I have narrated it from Muhammad ibn Al-Hasan - may Allah سبحانه وتعالى be pleased with him - from Muhammad ibn Al-Hasan Al-Saffar, from Ahmad ibn Muhammad ibn Isa, from Ahmad ibn Muhammad ibn Abi Nasr Al-Bazanti, from Abdul-Karim ibn Amr, from Al-Hasan ibn Harun.