Kathryn Church Holland, San Francisco Museum of Modern Art, San Francisco, California, to Carlotta Corpron. September 8, 1980.

Theodore R. [Sinam?], Acting Director, United States Department of the Interior National Park Service, Washington, D.C., to Eliot Porter. January 10, 1966.

John Mattoon, Assistant Director - Public Affairs, United States Department of the Interior Fish and Wildlife Service, Washington, D.C., to Eliot Porter. March 9, 1977.

Carroll L. Tyler, Manager, Santa Fe Directed Operations, United States Atomic Energy Commission, Los Alamos, New Mexico, to Laura Gilpin. June 24, 1948.

Laura Gilpin, Santa Fe, New Mexico, to Dr. Sylvanus Morley, Museum of New Mexico. July 15, 1948.

Laura Gilpin, Santa Fe, New Mexico, to Joaquin Ortega, Editor, The New Mexico Quarterly Review. February 14, 1951.

J. Hauser, Sterling-Howard Corporation, New York, New York, to Laura Gilpin. February 6, 1952.

Ellen J. Landis, Curator of Art, The Albuquerque Museum of Art, History and Science, Albuquerque, New Mexico, to Eliot and Aline Porter. April 9, 1986.

Theodore Wilentz, Publications Manager, Sierra Club, New York, New York, to Diarmund Russell, Russell & Volkening, Inc.. January 17, 1969.

C. A. Jurgensen, Vice President of Mfg., De Laval Steam Turbine Company, Trenton, New Jersey, to John V. N. Dorr. June 3, 1955.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. December 7, 1962.

John Howard Griffin to Nell Dorr. May 1, 1968.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. June 1, 1963.

Margaretta Mitchell to Nell Dorr. n.d.

Barbara Tenery to Nell Dorr. n.d.

Barbara Tenery to Nell Dorr. n.d.

F. L. Partlo, President, South Dakota School of Mines and Technology, Rapid City, South Dakota, to John V. N. Dorr. January 29, 1955.

John V. N. Dorr, Chairman, New York, New York, to Mrs. Remedias P. Yasay, Cagayan de Oro City Central School. December 3, 1956.

John Macrae, III, Editor in Chief, E. P. Dutton & Co., Inc., New York, New York, to Eliot Porter. October 21, 1968.

James F. Mathias, Associate Secretary, John Simon Guggenheim Memorial Foundation, New York, New York, to Eliot Porter. September 11, 1959.