@book{70717,
	author = {Spencer, Herbert,},
	title = {Essays: Scientific, Political, & Speculative; Vol. 1 of 3 :},
	publisher = {Project Gutenberg,},
	year = {2009},
	address = {Salt Lake City, UT :},
	note = {Release date is 2009-08-31},
	url = {https://www.gutenberg.org/ebooks/29869}
}