The Book of Occultation — al-Ṭūsī · Hadith 124 (#Ḥadīth #41)

64- قال: وسأل أبو بكر الأرمني عبد الله بن المغيرة: بأي شيء قطعت على علي؟قال: أخبرتني سلمى أنه لم يكن عند أبيه أحد بمنزلته.

H 64 - Abu Bakr Armini asked Abdullah bin Mughira: Through which argument have you believed in the Imamate of Ali Ibn Musa? He replied: Salma [a servant of the family of Imam Ja’far Sadiq ] informed that no one in the view of his father [Imam Musa Kadhim ] had as much worth and estimation as he was having.

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).