@Book{BVMC:622068, author = {Iglesia Católica. Papa (1566-1572: Pío V)}, title = {Apostolicarum Pii Quinti Pont. Max. epistolarum libri quinque}, url = {https://www.cervantesvirtual.com/obra/apostolicarum-pii-quinti-pont-max-epistolarum-libri-quinque} }