@book{62233,
	author = {Pearson, T. Gilbert},
	title = {The Bird Study Book},
	publisher = {Project Gutenberg,},
	year = {2007},
	address = {Salt Lake City, UT :},
	note = {Release date is 2007-04-08},
	url = {https://www.gutenberg.org/ebooks/21007}
}