@book{44195,
	author = {Darwin, Charles, and Darwin, Francis, Sir,},
	title = {Life and Letters of Charles Darwin — Volume 2},
	publisher = {Project Gutenberg,},
	year = {2000},
	address = {Salt Lake City, UT :},
	note = {Wikipedia page about this book: https://en.wikipedia.org/wiki/The_Life_and_Letters_of_Charles_Darwin},
	url = {https://www.gutenberg.org/ebooks/2088}
}