@Book{BVMC:629358, author = {Gregorio, I, Papa, Santo}, title = {Dialogus beati Gregorij Pape eiusque diaconi Petri in quattuor libros diuisus}, url = {https://www.cervantesvirtual.com/obra/dialogus-beati-gregorij-pape-eiusque-diaconi-petri-in-quattuor-libros-diuisus} }