Jean F. Leach, Picture Research, American Heritage, New York, New York, to Laura Gilpin. December 18, 1956.

Peter B. Shoenfeld, Neil C. Stillinger, and Larry C. White, Attorney at Law, Santa Fe, New Mexico, to Hon. Edwin L. Mechem, Senior District Judge. June 11, 1986.

Letter from Mark O. Hatfield and George S. McGovern, United States Senator, United States Senate, Washington, D.C. May, 1971.

Stephen Porter, Bellefonte, Pennsylvania, to Pop [Eliot Porter]. January 19, 1989.

Lee Udall, President, Center for Arts of Indian America, Washington, D. C., to Laura Gilpin. November 15, 1966.

B. [Ellen Auerbach], New York, New York, to Eliot Porter. September 30, 1979.

Ralph Steiner, Thetford Hill, Vermont, to Eliot Porter. March 9.

Anne Parish Titzell, Georgetown, Connecticut, to Laura Gilpin. March 8, 1943.

Robert Glenn Ketchum, Curator, National Park Foundation, Washington, D.C., to Eliot Porter. n.d.

Isabella Gilpin, Boyce, Clark County, Virginia, to Laura Gilpin. December 29, 1966.

Kay Swift, Beverly Hills, California, to [C. J.]. April 9.

Blanche Lentz, The Wichita International Salon of Photography, Wichita, Kansas, to Laura Gilpin. November 30, 1945.

Minutes of Annual Meeting for the New Mexico Council on Photography. April 9, 1986.

"Our Forests," "Our Wild Flowers," "Our Ponds and Streams," "Our Arid Lands," and "Our Animals and Birds." n.d.

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

Carol Preston, The Potomac School, McClean, Virginia, to Laura Gilpin. September 13, 1955.

Ship's Routine given by J. W. Coste, Jr., Executive Officer. January 23, 1976.

"A Canyon Voyage" by Frederick S. Dellenbaugh. n.d.

A. C. [Bersh?], Smithsonian Institution, Taunton, Massachusetts, to Eliot Porter. July 27, 1945.

Beaumont Newhall, Curator, George Eastman House, Rochester, New York, to Eliot Porter. November 9, 1956.