"Eliot Porter: Portraits from Nature." January, 1973.

Second Draft of "Porter Retrospective: Chapter Three." February 11, 1987.

Irving A. Bunkin, Santa Fe, New Mexico, to Eliot Porter. December 23, 1979.

Joe Marshall, The University of Arizona, Tucson, Arizona, to Eliot Porter. September 17, 1962.

Waldo Rasmussen, Executive Director, The Museum of Modern Art, New York, New York, to Eliot Porter. October 24, 1963.

"WWF Conservation Plan For the Kingdom of Nepal." n.d.

"Unpublished MS," Pages 1 to. n.d.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. January 13, 1977.

Edith P. Mayo, Museum Specialist, Smithsonian Institution, Washington, D. C., to Laura Gilpin. May 2, 1974.

Lee Udall, President, Center for Arts of Indian America, Washington, D. C., to Laura Gilpin. September 4, 1968.

Laura Gilpin, Santa Fe, New Mexico, to Mary Squire Abbott. December 20, 1955.

Filoteo Samaniego, Quito, Ecuador, to Eliot Porter. November 5, 1970.

Laura Gilpin to Walter Frese, Hastings House. September 8, 1947.

Laura Gilpin, Santa Fe, New Mexico, to Fernando Barbachano, Mayaland Tours. November 17, 1945.

Martien Coppens, Internationale Fototentoonstelling, Eindhoven, Holland, to Nell Dorr. February 2, 1957.

Laura Gilpin, Santa Fe, New Mexico, to Senator Clinton P. Anderson. February 18, 1962.

Albert G. Simms, Albuquerque, New Mexico, to Laura Gilpin. June 8, 1946.

Lee Harrell, Mt. San Antonio College, Claremont, California, to Laura Gilpin. October 3, 1969.

John C. Egbert, State Director, The Nature Conservancy, Albuquerque, New Mexico, to Eliot Porter. April 11, 1983.

Francis, Harvard University, Cambridge, Massachusetts, to Eliot Porter. March 27, 1929.