Robert, Brenan, "The Soul of Man". In Thomistic Psychology: A Philosophic Analysis of the Nature of Man..
https://www.dropbox.com/s/ckh667tjaagnzli/A%20Alma%20do%20Homem.pdf?dl=0
https://www.dropbox.com/s/ckh667tjaagnzli/A%20Alma%20do%20Homem.pdf?dl=0