《明史·列传·卷一百六十九》
大理寺丞张丞到山东赈灾时，闻知曹县情形，奏请朝廷升曹县为州，以希正为知州，得到朝廷同意。
大理寺丞张骥振山东，闻之。因请升曹县为州，而以希正为知州，从之。
When the Dali Temple Cheng Zhang Cheng went to Shandong to provide disaster relief, he learned about the situation in Cao County and asked the court to upgrade Cao County to a state and appoint Xi Zheng as the prefect, which was approved by the court.