Nell Dorr, Dunedin, Florida, to John Van Nostrand Dorr. n.d.

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

Goldthwaite H. Dorr III, The Minneapolis Institute of Arts, Minneapolis, Minnesota, to Nell Dorr, September 30, 1963.

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

Stephen B. Jareckie, Curator of Photography, Worcester Art Museum, Worcester, Massachusetts, to Eliot Porter. November 21, 1974.

John "Terry" Morgart, Santa Fe, New Mexico, to Eliot Porter. October 13, 1986.

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

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

Tasha Tudor to Nell Dorr. April 4, 1945.

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

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

Barbara L. Michaels, Assistant Curator, Atget Collection, Museum of Modern Art, Red Hook, New York, to Laura Gilpin. July 20, 1976.

John Gaw Meem, Chairman, The School of American Research, Santa Fe, New Mexico, to Alex Krieger, Department of Anthropology, University of Washington. March 23[?], 1965.

John Dorr, Denver, Colorado, to Nell Koons [Dorr]. July 16, 1935.

John V. N. Dorr, New York, New York, to Nell Dorr. n.d.

Mrs. Oswald B. Lord, United States Representative on the Commission on Human Rights, United States Mission to the United Nations, New York, New York, to Nell Dorr, The Dorr Foundation. May 3, 1956.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. January 27, 1964.

Grace M. Mayer to Nell Dorr. April 20, 1969.

Frederick Mitchell, The Scrimshaw Press, San Francisco, California, to Nell Dorr. July 19, 1972.

John Mitchell and David Epp, Editor in Chief and General Manager, Sierra Club Books, New York, New York, to Sierra Club Books Authors, Photographers, Agents, Suppliers, Distributors, and Friends. May 24, 1972.