@book{102832,
	author = {Hayes, John L.},
	title = {Notes Upon Indigo},
	publisher = {Project Gutenberg,},
	year = {2020},
	address = {Salt Lake City, UT :},
	note = {From "The Bulletin of the National Association of Wool Manufacturers."},
	url = {https://www.gutenberg.org/ebooks/62008}
}
