《明史·列传·卷一百零七》
不久，查获妖书《忧危议》，御史赵之翰称张位实为主谋。
无何，有获妖书名《忧危竑议》者，御史赵之翰言位实主谋。
Soon after, the heretical book "Discussion on Dangers and Troubled Times" was seized, and historian Zhao Zhihan said that Zhang Wei was the mastermind.