F. W. LaRouche, Department of the Interior Bureau of Indian Affairs, Washington, D. C., to Helen M. Post. June 15, 1940.

Summer, page 267 and 280. n.d.

Steven and Helen Kellogg to Nell Dorr. July 5, 1978.

Elizabeth Koons Howe, Concord, New Hampshire, to Nell Dorr. January 8, 1953.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. January 7, 1964.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. June 8, 1964.

Margaretta Kuhlthau, Polaroid Corporation, Cambridge, Massachusetts, to Nell Dorr. August 25, 1958.

Margaretta and Frederick Mitchell, to Nell Dorr. June 27, 1961.

Jacqueline Bogue, The Scrimshaw Press, San Francisco, California, to Nell Dorr. September 17, 1973.

Frederick Mitchell, Mitchell/Bohn Publishers, San Francisco, California, to Nell Dorr. December 16, 1970.

Rose Mentzel, Stuttgart, Germany, to Nell Dorr. June 29, 1956.

Margaretta Mitchell to Nell Dorr. n.d.

Margaretta Mitchell to Nell Dorr. August 30, 1964.

Summer, page 100 and 131. n.d.

Meeting Minutes by Lloyd P. Fadrique, Secretary, New Mexico Council on Photography, Santa Fe, New Mexico. September 16, 1987.

Tasha Tudor to Nell Dorr. February 4, 1943.

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

Nell Dorr to John Van Nostrand Dorr. August 18.

Nell Dorr, West Branch, Westport, Connecticut, to John Van Nostrand Dorr. n.d.

Eliot Porter, Santa Fe, New Mexico, to John Adams, Executive Director, Natural Resources Defense Council, Inc. November 29, 1984.