The steamer General Jesup, the first steamship to explore the Colorado River Author G. A. Johnson Article Date June 1932 Journal Title Quarterly of the Society of California Pioneers
The Ives expedition revisited; a Prussian's impressions Author David H. Miller Article Date Spring 1972 Journal Title J Ariz Hist
First commerce on the Colorado Author G. A. Johnson Article Date Spring 1974 Journal Title J Ariz Hist