@book{80237,
	author = {Cromwell, John Howard,},
	title = {A system of easy lettering},
	publisher = {Project Gutenberg,},
	year = {2012},
	address = {Salt Lake City, UT :},
	note = {Release date is 2012-04-07},
	url = {https://www.gutenberg.org/ebooks/39398}
}