@book{47649,
	author = {Petty, William, Sir, and Morley, Henry,},
	title = {Essays on Mankind and Political Arithmetic},
	publisher = {Project Gutenberg,},
	year = {2004},
	address = {Salt Lake City, UT :},
	note = {Release date is 2004-05-01},
	url = {https://www.gutenberg.org/ebooks/5619}
}