@book{51355,
	author = {Hume, David, and Selby-Bigge, L. A., Sir},
	title = {An Enquiry Concerning Human Understanding},
	publisher = {Project Gutenberg,},
	year = {2006},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/An_Enquiry_Concerning_Human_Understanding},
	url = {https://www.gutenberg.org/ebooks/9662}
}