M.A. thesis by Matthew C. Godfrey submitted in partial fulfillment of the requirements for the degree of Master of Arts in History, Utah State University, 1997. Typewritten, 165 single-sided pages.
Ridgway, Robert, 1850-1929 -- Correspondence; Ornithologists -- Biography; United States Geological Exploration of the Fortieth Parallel (1867-1881); West (U.S.) -- Description and travel
Handwritten incoming correspondence to Robert Ridgway from Spencer Baird, June 22, 1869. To Ridgway in Salt Lake City, Utah. It discussed Utah specimens that Ridgway had sent to Baird and ones that he was to collect.
United States Geological Exploration of the Fortieth Parallel. Clarence King, Geologicst-in-charge. Part III. Ornithology. By Robert Ridgway.
Ridgway, Robert, 1850-1929 -- Correspondence; Ornithologists -- Biography; United States Geological Exploration of the Fortieth Parallel (1867-1881); West (U.S.) -- Description and travel