Envelope labeled Stage, containing 11 contact prints and 4 small prints.

Edgar Felloes, Associate Editor, Camera Craft, San Francisco, California, to Mary C. Sauter. April 6, 1922.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. February 16, 1964.

Elizabeth Koons Howe to Nell Dorr. n.d.

Grace M. Mayer, New York, New York, to Nell Dorr. December 26, 1963.

Grace M. Mayer, The Museum of Modern Art, New York, New York, to Nell Dorr. February 5, 1968.

Margaretta Mitchell to Nell Dorr. January 2, 1970.

Margaretta and Frederick Mitchell to Nell Dorr. January 24, 1961.

Margaretta Mitchell to Nell Dorr. November 27, 1960.

Margaretta and Frederick Mitchell, Madrid, Spain, to Nell Dorr. January 17, 1960.

Margaretta Mitchell to Nell Dorr. June 1, 1968.

Margaretta and Frederick Mitchell, Madrid, Spain, to Nell Dorr. September 20, 1959.

Barbara Tenery, Waxahachie, Texas, to Nell Dorr. March 12, 1954.

Tasha Tudor to Nell Dorr. n.d.

Frederick Mitchell, The Scrimshaw Press, San Francisco, California, to Nell Dorr. September 13, 1972.

Letter and Notes from Eliot Porter. January 26, 1975.

John H. Adams, Executive Director, Natural Resources Defense Council, Inc., New York, New York, to Eliot Porter. February 14, 1985.

Margaretta Mitchell to Nell Dorr. n.d.

Margaretta Mitchell, Oakland, California, to Nell Dorr. July 28.

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