Margaretta Mitchell to Nell Dorr. April 22, 1971.

Margaretta Mitchell, Washingtonville, New York, to Nell Dorr. July 21, 1969.

Rose Mentzel, Munich, Germany, to Nell Dorr. July 4, 1963.

Frederick and Anne Mitchell to Nell Dorr. n.d.

Tasha Tudor, Contoocode, New Hampshire, to Nell Dorr. February 19, 1947.

Journal XIV-18 Clippings, with Clippings, Letters, and Pamphlets. n.d.

Tasha Tudor to Nell Dorr. n.d.

Alfred Stieglitz to Nell Dorr. March 15, 1944.

Nell Koons, New York, New York, to John Van Nostrand Dorr. n.d.

Elizabeth F. Wilder, Elementary Graphic Art, Ginn and Company, Lexington, Massachusetts, to Nell Dorr, August 31, 1972.

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

Nell Dorr to John Van Nostrand Dorr. December 10.

Nell Koons, Norwalk, Connecticut, to John Van Nostrand Dorr. n.d.

Clinton P. Anderson, Chairman, Congress of the United States Joint Committee on Atomic Energy, to Eliot Porter. August 26, 1959.

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

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

Margaretta Mitchell to Nell Dorr. July 25, 1980.

Rose Mentzel, Stuttgart, Germany, to Nell Dorr. February 7, 1964.

Goldthwaite H. Dorr III, Assistant Curator, The Minneapolis Institute of Arts, Minneapolis, Minnesota, to Nell Dorr, August 21, 1962.

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