Zheng-tong: Year 13, Month 2, Day 10
14 Mar 1448
Xu Wen-zhen, associate administrator of Lin-an Prefecture in Yun-nan was promoted to prefectural magistrate. At this time, the prefect Lai Ying had advised that he was too old, and the people of the prefecture had advised their recommendation of Wen-zhen, noting that he was self-controlled, diligent in his administration and able to fulfil the duties of the post. The regional inspecting censor investigated the facts and advised. This promotion was thus ordered.
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 29, page 3160