@book{102245,
	author = {Tout, T. F.},
	title = {The Empire and the Papacy, 918-1273},
	publisher = {Project Gutenberg,},
	year = {2020},
	series = {Periods of European history. Period 2},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-02-16},
	url = {https://www.gutenberg.org/ebooks/61419}
}