@book{86959,
	author = {Leigh, Percival, and Crowquill, Alfred,},
	title = {Comic Arithmetic},
	publisher = {Project Gutenberg,},
	year = {2014},
	address = {Salt Lake City, UT :},
	note = {Authorship attributed to Percival Leigh.},
	url = {https://www.gutenberg.org/ebooks/46120}
}