@book{107155,
	author = {Green, Jacob,},
	title = {A Monograph of the Trilobites of North America: with Coloured Models of the Species},
	publisher = {Project Gutenberg,},
	year = {2021},
	address = {Salt Lake City, UT :},
	note = {Release date is 2021-09-18},
	url = {https://archive.org/details/monographoftrilo00greerich}
}