《资治通鉴·汉纪·汉纪三十二》
赤眉拥立的刘盆子颁布诏书说： 刘玄如果投降，封为长沙王。超过二十天就不再接受。 
赤眉下书曰： 圣公降者，封为长沙王；过二十日，勿受。 
 Liu Penzi, who was supported by the Red Eyebrows, issued an edict: if Liu Xuan surrendered, he would be enfeoffed as Prince of Changsha. (The edict) would not be accepted after twenty days. 