Laura Gilpin to Charles Duell, Charles A. Pearce, Duell, Sloan & Pearce. January 18, 1954.

Ft. Keogh from Buttes

Mary E. Owen, Karval, Colorado, to Laura Gilpin. May 22, 1972.

Theresa J. May, Assistant Director and Editor-in-Chief, University of Texas Press, Austin, Texas, to Stuart and Scott Gentling. August 30, 2001.

Flight

"Some Observations on the Telea Polyphemus Larva." n.d.

Francis W. Hatch Jr., Boston, Massachusetts, to Eliot Porter. June 19, 1980.

George Miksch Sutton, University of Michigan, Pinckney, Michigan, to Eliot Porter. February 27, 1948.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Edgar C. McMechen, Colorado Association. May 4, 1932.

W. H. Cowles, The Spokesman Review, Spokane, Washington, to Laura Gilpin. July 23, 1940.

Laura Gilpin, Colorado Springs, Colorado, to Clyde Fisher, The Haydn Planetarium. June 25, 1940.

Mitch Wilder, Director, Colorado Springs, Fine Arts Center, Colorado Springs, Colorado, to Laura Gilpin. March 17, 1950.

Len Mayer, Oil Producer, Roswell, New Mexico, to All Mineral Owners. August 14, 1967.

John B. O'Donnell, Aluminum Company of America, Pittsburgh, Pennsylvania, to Laura Gilpin. March 26, 1951.

M. G. Lowenherz, Three Lions Inc., Publishers, New York, New York, to Laura Gilpin. April 13, 1956.

Nancy Troy, History of Art Department, Jonathan Edwards College, Yale University, New Haven, Connecticut, to Laura Gilpin. September 14, 1976.

Mary O. Steele, Assistant to the Director, Santa Barbara Museum of Art, Santa Barbara, California, to Laura Gilpin. August 30, 1950.

Ellen J. Landis, Curator of Art, Museum of Albuquerque, Albuquerque, New Mexico, to Laura Gilpin. April 27, 1978.

David W. Gengler, Colorado Springs, Colorado, to Eliot Porter. January 17, 1972.

Elizabeth L. Higgins, New York, New York, to Nell Dorr. May 24, 1957.