@book{20311,
	author = {Ranke, Leopold },
	title = {The Ecclisatical and political history of the Popes of Rome, During the sixteenth and seventeenth centuries. Vol I},
	publisher = {lea and Blanchard, },
	year = {1841},
	address = {Philadelphia : },
	edition = {1 ed.},
	note = {Historia de los papas. fultu segun incenturio 1989}
}