@book{63691,
	author = {Sumner, Charles,},
	title = {The Best Portraits in Engraving},
	publisher = {Project Gutenberg,},
	year = {2007},
	address = {Salt Lake City, UT :},
	note = {Release date is 2007-09-11},
	url = {https://www.gutenberg.org/ebooks/22574}
}