《金史·本纪·卷十五》
又说 ：贾蠫等人刺杀苗道润，请求治贾蠫等人的刺杀罪。其余的州郡把正职授给头目，使他们各治一方。 
又言： 贾瑀等刺杀苗道润，乞治瑀等专杀之罪，余州郡各以正职授头目，使分治一方。 
He also said—"Chia Kua and others have assassinated Miao Tao Yun; I beg that the crime of Chia Kua and others in assassinating may be redressed. The governors of the other provinces and prefectures may confer the office of governor on the chiefs, that each may govern his own quarter."