Handwritten incoming correspondence to Robert Ridgway from Spencer Baird, October 26, 1866. This letter discussed bird specimens that Ridgway had sent to Baird.
Handwritten incoming correspondence to Robert Ridgway from Spencer Baird, November 7, 1866. This letter discussed bird specimens that Ridgway had sent to Baird.
Handwritten incoming correspondence to Robert Ridgway from Spencer Baird, July 12,1864. This letter explained to Ridgway where he could find a copy of Baird's book, Birds of North America.
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.
Handwritten incoming correspondence to Robert Ridgway from Spencer Baird, July 4, 1869. To Ridgway in Salt Lake City, Utah. The letter mentioned items Ridgway had collected in the Wasatch Mountains.
Handwritten letters of introduction prepared for Robert Ridgway by Spencer Baird to Whom it may concern, May 8, 1867. Letter includes a sheet of paper entitled "Persons to whom Mr. Ridgway is especially recommended."
Letters of introduction prepared for Robert Ridgway by Spencer Baird to Samuel Hubbard, May 8, 1867. The letter asked Hubbard to assist Ridgway in preparing for his upcoming trip, with Clarence King, to the West.