Eliot Porter, Rubbard Woods, Illinois, to Harold E. Edgerton, Professor, Massachusetts Institute of Technology. November 23, 1940.

Michael Chikiris, Carnegie Institute Museum of Art, Pittsburgh, Pennsylvania, to Eliot Porter. August 8, 1974.

[Gary Allan?], Chairman, Friends of the Dickinson College Library, Carlisle, Pennsylvania, to Eliot Porter. May 21, 1979.

Howard T. Fisher, Howare T. Fisher & Associatees, Chicago, Illinois, to Eliot Porter. December 14, 1953.

Charles H. Traub, Columbia College Chicago, Chicago, Illinois, to Eliot Porter. November 8, 1973.

Sam A. Banks, President, Dickinson College, Carlisle, Pennsylvania, to Eliot Porter. December 29, 1978.

Bill, The Conde Nast Publications Inc., New York, New York, to Eliot Porter. December 14, 1964.

Noel Potter, Jr., Department of Geology, Dickinson College, Carlisle, Pennsylvania, to Eliot Porter. March 26, 1979.

Frederick Morgan, Editor, The Hudson Review, New York, New York, to Eliot Porter. February 5, 1971.

Randall Warner, Publicity Associate, Houghton Mifflin Company, Boston, Massachusetts, to Eliot Porter. June 14, 1977.

Paul Brooks, Managing Editor, Houghton Mifflin Company, Boston, Massachusetts, to Eliot Porter. January 28, 1942.

Helen Gee, Limelight, New York, New York, to Eliot Porter. March 14, 1955.

Hardwick Moseley, Manager, Houghton Mifflin Company, Chicago, Illinois, to Eliot Porter. January 8, 1942.

Cornell Capa, International Center for Photography, New York, New York, to Eliot Porter. October 26, 1973.

C. Gregg Petersmeyer, President & Publisher, Constructive Colloquy, Cambridge, Massachusetts, to Eliot Porter. February 14, 1971.

Maggie [Shemord?], The Floating Foundation of Photography, New York, New York, to Eliot Porter. December 12, 1976.

Frederick Morgan, Editor, The Hudson Review, New York, New York, to Eliot Porter. December 4, 1970.

Julia Scully, Editor, Modern Photography, New York, New York, to Eliot Porter. February 24, 1969.

Sharon Osbourne, Natural History, New York, New York, to Eliot Porter. February 25, 1969.

Frank Hanenkrat, Associate Professor of English, Lynchburg College, Lynchburg, Virginina, to Eliot Porter. September 22, 1973.