@book{55648,
	author = {Johnson, Rossiter, and Austin, Walter F.},
	title = {The Great Events by Famous Historians, Volume 06 :},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {This volume covers A.D. 1162-1300.},
	url = {https://www.gutenberg.org/ebooks/14260}
}