@book{104079,
	author = {Calvert, Albert Frederick,},
	title = {Leon, Burgos and Salamanca: a historical and descriptive account},
	publisher = {Project Gutenberg,},
	year = {2020},
	series = {The Spanish series},
	address = {Salt Lake City, UT :},
	note = {Release date is 2020-09-21},
	url = {https://www.gutenberg.org/ebooks/63255}
}