@book{100398,
	author = {Cassels, Walter Richard, and Widger, David,},
	title = {Index of the Project Gutenberg Works of Walter Richard Cassels},
	publisher = {Project Gutenberg,},
	year = {2019},
	address = {Salt Lake City, UT :},
	note = {Release date is 2019-05-21},
	url = {https://www.gutenberg.org/ebooks/59572}
}