1634. hadíth
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.
Nahj al-Balāgha
al-Sharīf al-Raḍī
Letters
Instructions to Ibn Abbas before talks with the Kharijites
A fordítás angol nyelvű (Sayed Ali Raza), forrás: Thaqalayn.net.