《元史·列传·卷三十四》
张柔入汴京不取金帛，只取史馆中之《金实录》及秘府图书；访求德高望重的金朝遗老和赵燕世族十余家，将他们卫送北归。张柔进围睢阳，金哀宗逃往汝南。
汝南恃柴潭为阻，会宋孟珙以兵粮来会，珙决其南，潭水涸。金人惧，启南门求死战，柔以步卒二十余突其阵，促聂福坚先登，擒二校以归。
Zhang Rou entered Bianjing without taking any money or silk, but only the "Jin Shilu" and secret books from the history museum; he sought out more than ten Jin Dynasty veterans and Zhao Yan clansmen with high morals and prestige and escorted them back north. Zhang Rou besieged Suyang, and the Jin Aizong fled to Runan.