George M Bowers, President, Allentown-YMCA Camera Club, Allentown, Pennsylvania, to Eliot Porter. June 27, 1969.

John Russell, Sr., Little Deer Isle, Maine, to Eliot Porter, Sierra Club. November 7, 1968.

Julia Scully, Modern Photography, New York, New York, to Eliot Porter. May 28, 1971.

Bower E. Rudrud, Rudrud Photography, Bismark, North Dakota, to Eliot Porter. April 26, 1973.

Bruce Finson, Editor, Pacific Discovery, San Francisco, California, to Eliot Porter. May 8, 1963.

Eugene A. Smith, Director, Roswell Museum and Art Center, Roswell, New Mexico, to Eliot Porter. April, 1968.

Robert F. Hubbell, Robert Hubbell Associates, Los Angeles, California, to The Sierra Club. February 16, 1970.

Adlai E. Stevenson, Governor, Stevenson Campaign Headquarters, Springfield, Illinois, to Eliot Porter. November 20, 1952.

Edgar I. Williams, Architect, New York, New York, to John V. N. Dorr. January 16, 1961.

W. M. Elliott, The American Club, to Erwin E. Smith. February 13, 1920.

Hilda Belcher, Van Dyck Studios, New York, New York, to Clara E. Sipprell. n.d.

Thomas E. Ward, New York, New York, to John V. N. Dorr. January 21, 1955.

Mary Liddell Wehle, New York, New York, to John V. N. Dorr. April 17, 1955.

Nellie Krakoff, International Center for Photography, New York, New York, to Carlotta Corpron. October 1, 1979.

James Cletus Anderson, University of Louisville, Louisville, Kentucky, to Carlotta Corpron. August 14, 1972.

Rae Ann Fichtner, Dallas, Texas, to Carlotta Corpron. July 21, 1978.

J.S. Mills, American Biographical Institute, Raleigh, North Carolina, to Carlotta Corpron. June 12, 1980.

Carlotta Corpron, Denton, Texas, to Sidney Janis, Sidney Janis Gallery. March 12, 1976.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. December 9, 1976.

Erwin E. Smith, Bermuda Ranch, Bonham, Texas, to Margaret Belle Houston. July 17, 1926.