He wrote A História das Missões dos Jesuítas no Oriente, Até ao Ano de 1568 (History of the Jesuit Missionaries to the East, until 1568). The manuscript was sent to Rome, translated into Latin, and was then given to the young novice Giovanni Pietro Maffei (1533-1603) to prepare it for publication.
The author penned A História das Missões dos Jesuítas no Oriente, Até ao Ano de 1568 (History of the Jesuit Missionaries to the East, until 1568). The manuscript was then sent to Rome, where it was translated into Latin and eventually handed over to Giovanni Pietro Maffei (1533-1603) for editing before publication.