— — —, “Robidoux’s Trading Post at ‘Scott’s Bluffs,’ and the California Gold Rush.” Nebraska History, XXX, 95-138 (June 1949).
— — —, “Fort Mitchell, Scotts Bluff, Nebraska Territory.” Nebraska History, XXXIII, 1-34 (Mar. 1952).
— — —, “Chimney Rock on the Oregon Trail.” Nebraska History, XXXVI, 1-26 (Mar. 1955).
Monaghan, Jay, The Overland Trail. The Bobbs-Merrill Co., Indianapolis, 1947.
Olson, James C., History of Nebraska. University of Nebraska Press, Lincoln, 1955.
Paden, Irene D., The Wake of the Prairie Schooner. The MacMillan Co., New York, 1943.
Parkman, Francis, The Oregon Trail. Langhart and Co., Inc., New York, 1931.
Rollins, Phillip A., ed., Discovery of the Oregon Trail: Robert Stuart’s Narratives. Edward Eberstadt and Sons, New York, 1935.
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