Xuan-de: Year 2, Month 7, Day 12
4 Aug 1427
...the Investigating Censor Jiang Yi of the Jiao-zhi Circuit within the Censorate was promoted to vice commissioner of the Zhe-jiang Provincial Surveillance Commission...The national university student Li Bing-yi and... were promoted to investigating censors. Bing-yi was appointed to the Auxiliary Jiao-zhi Circuit....
Zhong-yang Yan-jiu yuan Ming Shi-lu, volume 17, page 761