《元史·列传·卷七十八》
皇庆初年，天璋为归德知府，劝农兴学、修复河渠、消除水患。
皇庆初，天璋为归德知府，劭农兴学，复河渠，河患遂弭。
At the beginning of the Huangqing Reign, Tian Zhang became the prefect of Guider. He encouraged farming and education, repaired canals, and controlled floods.