Lyman, Edward
2004 The Overland Journey from Utah to California: Wagon Travel from the City of Saints
to the City of Angels. Reno: University of Nevada Press.
Shumway, George
1964 Conestoga Wagon, 1750-1850: Freight Carrier for 100 Years of America's Westward
Expansion. Williamsburg: Early American Industries Association.
Waldman, Carl
2009 Wagon Roads, Railroads, and Canals. Atlas of the North American Indian, Third
Edition. New York: Facts On File, Inc.