This section analyzes eight specific textual problems that could only be touched on in the main body of the book: (1) It reconstructs the lost letter of Fernão Peres de Andrade (2) It notes the inaccuracy of Cristóvão Vieira’s calendar dates (3) It reconstructs the lost letter of Cristóvão Vieira (4) It reconstructs the lost report of Captain Garcia de Sá, which explored the causes of the Battle of Tamão and denounced Simão de Andrade (5) It gathers information on the lost letters of Tomé Pires (6) It introduces an important source that has previously been unstudied: the biography of Liang Zhuo (7) It seeks to resolve the long-standing debate over the identity of Huozhe Yasan (8) It reconstructs the lost 1521 memorial of Minister of Rites Mao Cheng, which denounced the Portuguese embassy.