@book{72811,
	author = {Rudy, Charles},
	title = {The Cathedrals of Northern Spain :},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-04-12},
	url = {https://www.gutenberg.org/ebooks/31965}
}