The Peak of Eloquence · Hadith 1210 (#Passage #19)
Chapter 5 | To the governor of Azerbaijan in Iran
ومن كتاب له (عليه السلام) إلى الأشعث بن قيس (عامل أذربيجان)
To al-Ash‘ath ibn Qays (al-Kindī), the Governor of Āzarbāyjān
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).