《元史·本纪·卷九》
初九，命令姚枢、王磐在宋朝太学生中挑选有真才实学的留在京师，其余的听任他们回家。
庚子，命姚枢、王磐选宋三学生之有实学者留京师，余听还家。
On the 9th, he ordered Yao Shu and Wang Pan to select those in the Song Dynasty's Imperial Academy who had real talent to stay in the capital, and allowed the rest to return home.