Grace M. Mayer, Cleveland, Ohio, to Nell Dorr. November 26, 1966.

Grace M. Mayer to Nell Dorr. March 27, 1967.

Margaretta Mitchell to Nell Dorr. December 8, 1962.

Grace M. Mayer, New York, New York, to Nell Dorr. March 14, 1965.

Rose Mentzel to Nell Dorr. December 17, 1962.

Grace M. Mayer, New York, New York, to Nell Dorr. July 31, 1965.

Grace M. Mayer to Nell Dorr. May 26, 1966.

Tasha Tudor to Nell Dorr. January, 1983.

Frederick and Margaretta Mitchell to Nell Dorr. May 25.

Margaretta Mitchell to Nell Dorr. n.d.

Tasha Tudor to Nell Dorr. n.d.

Margaretta Mitchell to Nell Dorr. November 14, 1970.

Winter List and pages 13 to 420. n.d.

Dave [David R. Brower], Chairman, Friends of the Earth Foundation, San Francisco, California, to Eliot Porter. July 20, 1984.

W. Edwin Deal, Director, Eastman Kodak Company, Rochester, New York, to Eliot Porter. November 20, 1986.

Dave [David Brower], President, Friends of the Earth Foundation, San Francisco, California, to Eliot Porter. April 5, 1973.

Nell Dorr to [John Van Nostrand Dorr]. January 6, 1940.

Nell Dorr, Au Sable Forks, New Yorks, to John Van Nostrand Dorr. n.d.

Wendell L. Ott, Director, Roswell Museum and Art Center, Roswell, New Mexico, to Gilbert R. Hitchcock, President, New Mexico Council on Photography. n.d..

Journal XIV-33. July 22, 1966-July 2, 1980.