@book{72690,
	author = {Spooner, Lysander,},
	title = {The Unconstitutionality of Slavery},
	publisher = {Project Gutenberg,},
	year = {2010},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Unconstitutionality_of_Slavery},
	url = {https://www.gutenberg.org/ebooks/31844}
}