@book{63262,
	author = {Delany, Martin Robison,},
	title = {Official Report of the Niger Valley Exploring Party},
	publisher = {Project Gutenberg,},
	year = {2007},
	address = {Salt Lake City, UT :},
	note = {Release date is 2007-07-22},
	url = {https://www.gutenberg.org/ebooks/22118}
}