Norman Steen, President, Steen Advertising Corporation, Lynbrook, New York, to Eliot Porter. February 22, 1980.

Gretchen Garner, to Eliot Porter. October 1, 1985.

Erica Anderson to Nell Dorr. 1966.

Nell Dorr to John Van Nostrand Dorr. 1941.

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

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

Nell Dorr, Franconia, New Hampshire, to John [Van Nostrand Dorr]. September, 1943.

Nell Dorr to A. H. S. Craeybeckx, Manager Editorial Department, Gevaert Photo-Producten. January 18, 1955.

Nell Dorr to John Van Nostrand Dorr. November 29.

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

Nell Dorr to John Van Nostrand Dorr. 1949.

Nell Dorr, to John Van Nostrand Dorr. August 6.

Shirley S, Chater, Texas Woman’s University, Denton, Texas, to Carlotta Corpron. February 11, 1987.

John Kelly to Carlotta Corpron. n.d..

Susan King, San Francisco Museum of Art, San Francisco, California, to Carlotta Corpron. June 8, 1975.

Carlotta Corpron, Denton, Texas, to Sidney Janis, Sidney Janis Gallery. December 17, 1975.

Frank Dobie, Austin, Texas, to Erwin E. Smith. May 20, 1946.

Wilbur Johnson, Henrietta, Texas, to Erwin E. Smith. January 5, 1919

Martin W. Sandler, Marriott Hotels, to Eliot Porter. February 3, 1979.

Clara M. Ueland, Director of Public Affairs, The Academy of Natural Sciences, Philadelphia, Pennsylvania, to Eliot Porter. January 21, 1980.