The Book of Occultation — al-Ṭūsī · Hadith 277 (#Ḥadīth #1)
Chapter 26 | Shia traditional reports on the topic that Imams are twelve in number
فأما ما روي من جهة الخاصة فأكثر من أن يحصى، غير أنا نذكر طرفا منها:
Reports narrated through Shia sources on this topic are so numerous that they cannot be computed; we mentioned only some of them here:
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).