《元史·列传·卷四十》
居贞在鄂州开仓赈济流民，宋室子孙流寓鄂州者，供饮食，不改变他们原来的服饰，通行宋朝的纸币。
于是发仓廪以赈流亡，宋宗室子孙流寓者，廪食之，不变其服，而行其楮币。
In Ezhou, Ju Zhen opened warehouses for relief and provided food for the descendants of the Song Dynasty who lived in Ezhou, without changing their original clothes and using Song Dynasty paper money.