Laura Gilpin, Santa Fe, New Mexico, to Mrs. Henbest. February, 1951.

William Field, Advertising Department, Polaroid Corporation, Cambridge, Massachusetts, to Laura Gilpin. October 6, 1959.

Folding Post Card, Over the Loop to th Summit of Mount McClellan

"Something Fresh, If Possible" by Helen Forbes. n.d.

Desmond G. B. Green, Educational Publications, BBC Publications, London, England, to Eliot Porter. April 6, 1978.

George Waters, Jr., Assistant Manager, Eastman Kodak Company, Rochester, New York, to Eliot Porter. November 18, 1947.

Burton Cumming, Director of Publications, New York Graphic Society Ltd., Greenwich, Connecticut, to Nell Dorr. February 28, 1963.

Laura Gilpin, Santa Fe, New Mexico, to Arthur L. Welch, Chairman, National conference of Christians and Jews. March 13, 1972.

Albert E. Ward, Archeologist II, Acting Laboratory Director, Department of Archeology, University of New Mexico, Albuquerque, New Mexico, to Laura Gilpin. April 30, 1974.

Mary Sue Walsh, Secretary to Ms. Gilpin, Santa Fe, New Mexico, to Henry Gilpin. September 13, 1979.

Ver Keljik, Photo Tech: Manufacturers of Photographic Equipment, St. Paul, Minnesota, to Laura Gilpin. November 7, 1978.

Harry L. Parker, President, American Speedlight Corporation, New York, New York, to Eliot Porter. July 23, 1956.

Burton Cumming, Director of Publications, New York Graphic Society Ltd., Greenwich, Connecticut, to Nell Dorr. December 29, 1959.

Jean S. Tucker, University of Missouri, St. Louis, Missouri, to Marcuse Pfeiffer Gallery, April 30, 1980.

Perry Miller Adato, Producer, WNET/13, New York, New York, to Eliot Porter. September 3, 1976.

Gordon M. Wilbur, Art Buyer, N. W. Ayer & Son, Inc., Philadelphia, Pennsylvania, to Laura Gilpin. May 9, 1945.

Aerial Photos Laura Gilpin interview transcript. November 23, 1979.

Carol Ann May, Senior Vice President, Development, National Audubon Society, New York, New York, to Stuart Gentling. January 27, 1999.