@Book{BVMC:633441, author = {Aldobrandini, Pietro}, title = {De perfecto principe ad Clementem VIII Apophthegmata card. P. Aldobrandini}, url = {https://www.cervantesvirtual.com/obra/de-perfecto-principe-ad-clementem-viii-apophthegmata-card-p-aldobrandini} }