《资治通鉴·后晋纪·后晋纪四》
王曦复信，引用周公诛除管叔、蔡叔和唐太宗诛除建成、元吉作比喻。
曦复书，引周公诛管、蔡，唐太宗诛建成、元吉为比。
Wang Xi replied, citing as examples that Duke Zhou had executed Guan Shu and Cai Shu, and that Emperor Taizong of Tang had executed Jiancheng and Yuanji.