Harry L. Parker, President, American Speedlight Corporation, New York, New York, to Eliot Porter. January 4, 1957.

Manuel Lujan, Jr., Congress of the United States, House of Representatives, Washington, D.C., to Eliot Porter. July 6, 1977.

Joseph M. Montoya, United States Senator, United States Senate, Washington, D.C., to Eliot Porter. April 25, 1975.

Harry L. Parker, President, American Speedlight Corporation, New York, New York, to Eliot Porter. April 5, 1955.

Robert Flieder, Chief Engineer, American Speedlight Corporation, New York, New York, to Eliot Porter. March 4, 1963.

Paul Steiner, Chanticleer Press, Inc., New York, New York, to Eliot Porter. August 30, 1974.

H. J. Swinney, Director, The Adirondack Museum, Blue Mountain Lake, New York, to Eliot Porter. November 11, 1966.

Letter from Vincent D. Roth, Resident Director, The American Museum of Natural History, Portal, Arizona. April 1, 1963.

Franklin I. Jordan, American Photographic Publishing Co., Boston, Massachusetts, to Eliot Porter. February 20, 1945.

Harry L. Parker, President, American Speedlight Corporation, New York, New York, to Eliot Porter. January 25, 1963.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. January 20, 1978.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. May 12, 1978.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. February 18, 1978.

Barbara Kasten, Orange Coast College, Costa Mesa, California, to Carlotta Corpron. February 20, 1980.

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

Lotte Jacobi to Carlotta Corpron. December 25, 1982.

Ursula Kalish, International Center for Photography, New York, New York, to Carlotta Corpron. January 14, 1980.

Joseph M. Montoya, United States Senator, United States Senate, Washington, D.C., to Eliot Porter. September 13, 1971.

Richard Steel, Secretary, The Explorers Club, New York, New York, to Eliot Porter. January 27, 1978.

Harold Runnels, M.C., Congress of the United States, House of Representatives, Washington, D.C., to Mr. and Mrs. Eliot Porter. April 28, 1971.