@book{61261,
	author = {Henderson, W. J.},
	title = {Some Forerunners of Italian Opera},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Release date is 2006-11-28},
	url = {https://www.gutenberg.org/ebooks/19958}
}