William R. Huntington, Architect, St. James, Long Island, New York, to John V. N. Dorr. July 15, 1955.

John V. N. Dorr to Charles A. Jurgensen, Vice President of Manufacturing, De Laval Steam Turbine Company. May 13, 1955.

C. Russell MacGregor, American Securities Corporation, New York, New York, to John V. N. Dorr. March 23, 1955.

Harold Jungmann, Titanium Pigment Corporation, New York, New York, to John V. N. Dorr. March 31, 1955.

Cyril Straud, Research Laboratories, Eastman Kodak Company, Rochester, New York, to John V. N. Dorr. February 2, 1955.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. January 24, 1964.

Nell Dorr to Michael Loeh. January 24, 1977.

Jacques Maritain to Nell Dorr. August 14, 1967.

Robert Mayo Tenery, Waxahachie, Texas, to Nell Dorr. n.d.

Ruby Reid Thompson to Nell Dorr. July 12, 1977.

Tasha Tudor to Nell Dorr. November 1.

Tasha Tudor, West Brattleboro, Vermont, to Nell Dorr. July 17, 1977.

Tasha Tudor, Boston, Massachusetts, to Nell Dorr. September 27, 1942.

Margaretta Mitchell to Nell Dorr. n.d.

Titania to Nell Dorr. December 3, 1961.

Ruby Reid Thompson to Nell Dorr. August 4, 1981.

Eugene S. Troy, Asst. to Dr. Dorr, New York, New York, to Mrs. Hector Prud'homme. October 4, 1954.

Nathan Lyons, Art Director, George Eastman House, Rochester, New York, to Eliot Porter. October 19, 1962.

W. Arthur Young, Technical Editor, Eastman Kodak Company, Rochester, New York, to Eliot Porter. March 15, 1979.

John Macrae, III, President, E. P. Dutton & Co., Inc., New York, New York, to Eliot Porter. April 4, 1973.