@book{72372,
	author = {Nohl, Ludwig, and Upton, George P.},
	title = {Life of Wagner},
	publisher = {Project Gutenberg,},
	year = {2010},
	series = {Biographies of Musicians},
	address = {Salt Lake City, UT :},
	note = {Release date is 2010-03-06},
	url = {https://www.gutenberg.org/ebooks/31526}
}