Mitchell Wilder, Director, Colorado Springs Fine Arts Center, Colorado Springs, Colorado, to Laura Gilpin. May 18, 1953.

Laura Gilpin, Santa Fe, New Mexico, to Joseph Trautwein, Artists and Writers Press, Inc. September 13, 1959.

Tine Everhard, The Dorr Foundation, New York, New York, to Charles Cooper. Director, Contemporary Films, Ltd.. August 19, 1958.

Laura Gilpin, Santa Fe, New Mexico, to Charles Kerlee. May 9, 1951.

Beverly K. Anderson, Northglenn, Colorado, to Laura Gilpin. October 3, 1977.

Edward C. Crossett, Lynwood Wianno, Massachusetts, to Laura Gilpin. June 1, 1948.

Margaretta K. Mitchell, Berkeley, California, to Laura Gilpin. May 29, 1979.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Walter Frese, Hastings House Publishers. September 13, 1941.

Clarence John Laughlin, New Orleans, Louisiana, to Carlotta Corpron. August 1, 1980.

Clipping, “The Camera in Khaki,” by Edward Hungerford in Everybody’s Magazine . n.d.

Author's proof for part 5 of The Enduring Navaho. 1968.

Edna Bennett, Gamma Agency, Inc., New York, New York, to Laura Gilpin. April 17, 1961.

Second Draft, Pages 50 to 82. n.d.

Beaumont Newhall, Black Mountain, North Carolina, to Eliot Porter. July 30, 1947.

Harry L. Parker, President, American Speedlight Corporation, New York, New York, to Eliot Porter. August 24, 1962.

Karl Struss, New York, New York, to Henry M. Davenport. January 21, 1915.

Letter from Ken Lieberman, The K&L Gallery of Photographic Art, New York, New York. July 17, 1978.

M. Craeybeckx, Manager, Gevaert Photo-Producten N. V., Antwerp, Belgium, to Nell Dorr, Harper & Brothers. January 5, 1955.

Laura Gilpin, Santa Fe, New Mexico, to Peter Dechert, Director, Camera West, Inc. September 4, 1972.

Sue Davies, Director, The Photographer's Gallery, London, England, to Eliot Porter. December 17, 1974.