W. D. Libby, Sales Service Division, Eastman Kodak Company, Rochester, New York, to Eliot Porter. March 7, 1955.

John Macrae, III, President, E. P. Dutton & Co., Inc., New York, New York, to Eliot Porter. June 2, 1972.

Frank N. McLaughlin, Professional and Finishing Markets Division, Eastman Kodak Company, Rochester, New York, to Eliot Porter. December 18, 1979.

John Macrae, III, President, E. P. Dutton & Co., Inc., New York, New York, to Eliot Porter. April 15, 1969.

Marie E. Roy, Acting Executive Director, The Explorers Club, New York, New York, to Eliot Porter. April 30, 1982.

John Macrae, III, President, E. P. Dutton & Co., Inc., New York, New York, to Eliot Porter. August 13, 1976.

Henry Allen Moe, President, John Simon Guggenheim Memorial Foundation, New York, New York, to Eliot Porter. June 30, 1963.

William M. Borland, Chicago Sales-Services Div., Central Scientific Co., Chicago, Illinois, to Eliot Porter. April 30, 1976.

Nell Dorr to John Van Nostrand Dorr. n.d.

Nell Dorr, Tucson, Arizona, to John Van Nostrand Dorr. 1949.

Jessie Klein Sharp, American Institute of Mining and Metallurgical Engineers, New York, New York, to John V. N. Dorr. September 22, 1955.

John V. N. Dorr, Chairman, New York, New York, to Edward Steichen, Director, Department of Photography, Museum of Modern Art. September 8, 1954.

Lillian Reiners, Director, School of Nursing and Nursing Services, The Norwalk Hospital, Norwalk, Connecticut, to Nell and John V. N. Dorr. March 31, 1955.

Karl Struss, Los Angeles, California, to Mother, New York, New York. December 24, 1920.

Louise Trigg McKinney, Chairman, New Mexico Arts Commission, Santa Fe, New Mexico, to Eliot Porter. May 30, 1972.

Karl Struss, Los Angeles, California, to Mother, New York, New York. December 31, 1920.

Karl Struss, Los Angeles, California, to Mother, New York, New York. October 21, 1920.

Julia B. McCoy, The Dayton Museum of Arts, Dayton, Ohio, to Karl Struss. May 18, 1922.

Spencer B. Beebe, Vice President, Director, The Nature Conservancy International Program, Portland, Oregon, to Eliot Porter. March 4, 1985.

Spencer B. Beebe, Acting Director, The Nature Conservancy, San Francisco, California, to John Everingham, EDAW, Inc. November 14, 1978.