《宋史·本纪·卷二十九》
二十四日，张通古、萧哲到达行在，说先归还河南地，其他事情慢慢商议。
丙子，张通古、萧哲至行在，言先归河南地，徐议余事。
On the 24th, Zhang Tonggu and Xiao Zhe arrived at the temporary capital, saying that they would first return the land of Henan, and other matters could be slowly discussed.