Peter Pollack, The Art Institute of Chicago, Chicago, Illinois, to Carlotta Corpron. December 8, 1952.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. July 29, 1980.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. February 25, 1983.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. November 1, 1978.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. September 5, 1979.

Mother and family, New York, to Karl Struss. November 29, 1917.

Eliot Porter, Santa Fe, New Mexico, to John Purcell, Editor, Natural History Magazine. November 3, 1960.

Peter Millan, Belmont, Massachusetts, to Patricia Caulfield, Executive Director, Modern Photography. December 25, 1963.

Samuel Osherson, Assistant Professor of Psychology, The Commonwealth of Massachusetts, Cambridge, Massachusetts, to Eliot Porter. August 30, 1974.

David E. Munich, Case Western Reserve University, Cleveland, Ohio, to Eliot Porter. March 25, 1976.

Jane M. Bagg, Museum Assistant, Massachusetts Institute of Technology, Cambridge, Massachusetts, to Eliot Porter. July 17.

Alfreda Murck, Registrar, The Art Museum, Princeton University, Princeton, New Jersey, to Eliot Porter. January 22, 1971.

C. Gregg Petersmeyer to Eliot Porter. June 5, 1973.

Sharon Inahara, Picture Research, Outside Magazine, San Francisco, California, to Eliot Porter. November 8, 1976.

Michael D. Lampen, San Francisco, California, to Eliot Porter. January 24, 1972.

Maureen E. Woods, The Reader's Digest, New York, New York, to Eliot Porter. December 30, 1969.

Maurice Wohlgelernter, Baruch College, New York, New York, to Eliot Porter. September 24, 1979.

Henry Wilhelm, Grinnell, Iowa, to Eliot Porter. December 27, 1979.

Maurice Wohlgelernter, Baruch College, New York, New York, to Eliot Porter. October 15, 1979.

Murray Weiss, President, Milwaukee Center for Photography, Milwaukee, Wisconsin, to Eliot Porter. March 25, 1980.