《宋史·本纪·卷四十五》
十一日，以杨栋签书枢密院事、兼代理参知政事兼太子宾客，叶梦鼎为端明殿学士、同签书枢密院事兼太子宾客。
甲子，以杨栋签书枢密院事、兼权参知政事兼太子宾客，叶梦鼎端明殿学士、同签书枢密院事兼太子宾客。
On the eleventh day, Yang Dong was appointed to sign the Privy Council affairs, concurrently serve as acting tham gia and guest of Crown Prince, and Ye Mengding as bachelor of Duanming Hall, co-sign the Privy Council affairs and concurrently serve as guest of Crown Prince.