Frederick and Margaretta Mitchell to Nell Dorr. September 15.

Frederick and Margaretta Mitchell to Nell Dorr. September 22.

Frederick and Margaretta Mitchell to Nell Dorr. April 18.

Rose Mentzel to Nell Dorr. n.d.

Rhena Schweitzer Miller, The Albert Scweitzer Friendship House, Barrington, Massachusetts, to Nell Dorr. December 4, 1976.

Margaretta Mitchell to Nell Dorr. n.d.

Rose Mentzel to Nell Dorr. March 25, 1958.

Alan [Sawyer?], The Art Institute of Chicago, Chicago, Illinois, to Carlotta Corpron, prior to May 1953.

[Erwin E. Smith], Bermuda Ranch, Bonham, Texas, to Tex Austin, July 26,1926.

General N. Khrabroff, Thetford, Vermont, to Clara E. Sipprell. April 8, 1936.

Frederick and Nelson, Frederick and Nelson, Seattle, Washington, to Clara E. Sipprell. November 9, 1923.

Christopher Bain, The Photographic Book Co., New York, New York, to Carlotta Corpron. July 24, 1983.

Ellen L. Pendleton, Wellesley, Massachusetts, to Clara E. Sipprell. December 18, 1922.

Jessica [E. Beers], Wilmington, New York, to Clara E. Sipprell. August 7, 1935.

Note and clipping. n.d.

C. Gregg Petersmeyer, President & Publisher, Constructive Colloquy, Cambridge, Massachusetts, to Eliot Porter. March 15, 1971.

Anthony Clark, Harper & Row Publishers, New York, New York, to Eliot Porter. December 22, 1967.

Alfred Miller, Jr., President, Miller Press, Jacksonville, Florida, to Eliot Porter. August 1, 1974.

Mrs. Rubee W. DeLamarter, Santa Fe, New Mexico, to Eliot Porter. November 12, 1971.

Marga Emerson, President, Stan. Library Association, Stonington, Maine, to Mr. Straus. April 11, 1967.