@book{72796,
	author = {Various},
	title = {Encyclopaedia Britannica, 11th Edition, "Columbus" to "Condottiere" :},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-04-11},
	url = {https://www.gutenberg.org/ebooks/31950}
}