Ana Cristina Pereira completed her PhD in Classical Studies on 2023/06/26, Master's degree in Classical Studies on 2015/04/27, and Degree in Classical Studies on 2010/06/26 from Universidade de Lisboa Faculdade de Letras. She is a researcher at the Centro de Estudos Clássicos from Universidade de Lisboa Faculdade de Letras. Ana Cristina Pereira participates at the Res Sinicae Project Digital database of documentary sources in Latin and Portuguese about China, XVI - XVIII (centuries)[Survey, edition, translation and studies (PTDC/LLT-OUT /31941/2017), coordination by Arnaldo do Espírito Santo e Cristina Costa Gomes, Lisboa: Centro de Estudos Clássicos, 2021, e-ISBN: 978-972-9376-58-0. The central research's object is the transcription and the edition of the Portuguese documentary chore, written between 1619 – 1653, by Father Francisco Furtado, S.J. (1587-1653), a little-known individuality as part of the Res Sinicae Project, became crucial due, not only to the historical, religious, cultural, philosophical, linguistic importance of its content, but also for allowing to add and clarify the biography of Father Francisco Furtado, a central personality in the China mission.