《资治通鉴·后晋纪·后晋纪一》
庚辰，后唐末帝又同宋、符、张、刘四将商讨再向河阳进攻，而此时将校都已经驰送降书给晋高祖了。
庚辰，唐主又与四将议复向河阳，而将校皆已飞状迎帝。
Gengchen, the last emperor of Later Tang and four generals--Song, Fu, Zhang, and Liu--again discussed how to attack Heyang, while at this time all the officers and troops had already sent their surrender letters to the Later Jin Emperor.