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.

Minor White, Aperture, San Francisco, California, to Laura Gilpin. April 3, 1953.

Robert B. Anderson, The Diamond A Cattle Company, Roswell, New Mexico, to Eliot Porter. February 13, 1978.

Walter Frese, Hastings House, New York, New York, to Laura Gilpin. November 13, 1947.

Stuart Gentling, to Ashley, Holly or whomever. January 16, 2002.

Daniel H. Carson, Conservation Chairman, Ann Arbor, Michigan, to Eliot Porter. December 12, 1967.

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

Opal Harber, Research assistant, Western History Department, Denver Public Library, Denver, Colorado, to Laura Gilpin. December 6, 1972.