《新五代史·列传·杂传第三十》
玉盐范颇为喜好儒学，藏书达万卷。为政威严惠爱并重。
师范颇好儒学，聚书至万卷，为政有威爱。
Yu Yanfan was rather fond of Confucianism, and his book collection reached ten thousand volumes. His governance was both rigorous and benevolent.