@book{52102,
	author = {Parkman, Francis,},
	title = {The Oregon trail;},
	publisher = {Little, Brown, and company,},
	year = {1892.},
	address = {Boston,},
	note = {First published 1849 under title: The California and Oregon trail.},
	url = {http://hdl.loc.gov/loc.gdc/scd0001.00039854326}
}