《资治通鉴·唐纪·唐纪二十九》
太常博士孙琬议论说： 裴光庭按照年资用人，不能勉励人才上进，请将他谥为 克 。 
太常博士孙琬议： 光庭用循资格，失劝奖之道，请谥曰克。 
Sun Wan, the doctor of the Grand Rituals, argued: "Pei Guangting promoted people based on their seniority, and failed to encourage the talents to make progress. I request that he be given the posthumous title "Ke" (incapable of being severe).