@book{20312,
	author = {Ranke, Leopold },
	title = {The Eccliastical and political history of the Popes of Rome, Vol II.},
	publisher = {Lea and Blanchard, },
	year = {1841},
	address = {Philadelphia : },
	edition = {1 ed.},
	note = {Historia de los papas en el siglo XVI y XVII}
}