At his death in 1803 he left a manuscript of his work Historia civil y política de México (Civil and Political History of Mexico), in Latin and Spanish. Carlos María de Bustamante found the manuscript in the library of the bishop of Tanagra. Bustamante published it with a large appendix, under the title Los tres siglos de México bajo el gobierno español hasta la entrada del Ejécito Trigarante (Three Centuries of Mexico Under the Spanish Government).
In 1803, after his death, he left a manuscript titled Historia civil y política de México (Civil and Political History of Mexico), written in Latin and Spanish. Carlos María de Bustamante found this manuscript in the library of the bishop of Tanagra. He then published it with an extensive appendix, renaming it to Los tres siglos de México bajo el gobierno español hasta la entrada del Ejécito Trigarante (Three Centuries of Mexico Under the Spanish Government).