《宋史·列传·卷二十二》
非常精通小学，著《切韵拾玉》二篇，摹刻献给朝廷，诏令交付国子监颁行。
颇精小学，作《切韵拾玉》二篇，摹刻以献，诏付国子监颁行之。
He was very good at primary school education. He wrote two articles of "Qieyun Shiyu", carved them, and presented them to the imperial court. The imperial decree ordered to deliver them to Guozijian for publication.