The Peak of Eloquence · Hadith 1634 (#Passage #443)
Chapter 77 | Instructions to Ibn Abbas before talks with the Kharijites
ومن وصية له (عليه السلام) لعبد الله بن العباس لما بعثه للاحتجاج على الخوارج
Given to ‘Abdullāh ibn al-‘Abbās, at the time of his being deputed to confront the Khārijītes.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).