Samuel A. Grimes, The Respess-Grimes Engraving Co., Inc., Jacksonville, Florida, to Eliot Porter. December 31, 1953.

Nahum J. Waxman, Harper & Row Publishers, New York, New York, to Eliot Porter. October 27, 1970.

John Macrae, Executive Editor, Harper & Row Publishers, New York, New York, to Eliot Porter. January 25, 1967.

Thomas Baird, Associate Director, Dumbarton Oaks, Trustees for Harvard University, Washington, D.C., to Eliot Porter. August 18, 1967.

Russell W. Peterson, President, National Audubon Society, New York, New York, to Eliot Porter. August 8, 1983.

Linda B. Meyerriecks, Picture Editor, National Geographic Society, Washington, D.C., to Eliot Porter. May 5, 1982.

Franklin L. Fisher, Chief of Illustrations Division, National Geographic Society, Washington, D. C., to Laura Gilpin. October 17, 1929.

Adele Auchincloss, Natural Resources Defense Council, New York, New York, to Eliot Porter. September 24, 1987.

Judy Stone, Publicist, Holt, Rinehart and Winston, New York, New York, to Eliot Porter. November 12, 1985.

Dave [David R. Brower], Chairman of the Board, Friends of the Earth, San Francisco, California, to Eliot Porter. April 29, 1980.

Eliot Porter, Santa Fe, New Mexico, to Colby Whitmore, President, Eastman Kodak Company. November 13, 1986.

Carol V. Harford, Assistant for Cultural Affairs, The White House, Washington, D.C., to Eliot Porter. December 6, 1969.

Eliot Porter, Santa Fe, New Mexico, to Robert J. Woodward, Photo Editor, The Reader's Digest. February 28, 1969.

Gloria Sandoval, Santa Fe National Bank, Santa Fe, New Mexico, to Eliot Porter. February 5, 1959.

David Vestal, Editor, U. S. Camera Annual, U. S. Camera Publishing Company, New York, New York, to Laura Gilpin. April 8, 1970.

Emily Stuart [Mrs. Gerald W. Stuart], Lexington, Nebraska, to Laura Gilpin. January 15, 1972.

Arthur Welsh, Chairman, The National Conference of Christian and Jews, Albuquerque, New Mexico, to Laura Gilpin. February 1, 1972.

Bertha P. Dutton, Director, Museum of Navaho Ceremonial Art, Santa Fe, New Mexico, to Laura Gilpin. February 14, 1973.

Barbara L. Michaels, Assistant Curator, Atget Collection, Museum of Modern Art, New York, New York, to Laura Gilpin. April 28, 1976.

Barbara L. Michaels, Assistant Curator, Atget Collection, Museum of Modern Art, New York, New York, to Laura Gilpin. October 1, 1976.