E. Steichen, The Museum of Modern Art, New York, New York, to Eliot Porter. April 29, 1952.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. November 19, 1971.

Loan Receipt to Eliot Porter from Dorothy H. Dudley, Registrar, The Museum of Modern Art. September, 1963.

Stephen H. Cutcliffe, Adminstrative Assistant, Lehigh University, Bethlehem, Pennsylvania, to Eliot Porter. January 4, 1978.

Tim [Timothy Seldes], Russell & Volkening, Inc., New York, New York, to Eliot Porter. January 16, 1978.

Timothy Seldes, Russell & Volkening, Inc., New York, New York, to Eliot Porter. May 24, 1977.

Ann E. Armstrong, Photography Department, The Museum of Modern Art, New York, New York, to Eliot Porter. June 14, 1946.

Beaumont Newhall, Curator, The Museum of Modern Art, New York, New York, to Eliot Porter. December 19, 1945.

James Thrall Soby, Chairman, The Museum of Modern Art, New York, New York, to Eliot Porter. May 19, 1965.

Tim [Timothy Seldes], Russell & Volkening, Inc., New York, New York, to Eliot Porter. August 2, 1978.

Tim, Russell & Volkening, Inc., New York, New York, to Eliot Porter. October 30, 1978.

Agreement between Sierra Club and Ballantine Book, Inc. March 5, 1968.

Guy Guthridge, Director, Polar Information Service, Washington, D.C., to Eliot Porter. September 23, 1974.

Meeting Minutes by Lloyd P. Fadrique, Secretary, New Mexico Council on Photography, Santa Fe, New Mexico. December 7, 1987.

Gibbs M. Smith, President, Peregrine Smith Books, Layton, Utah, to Eliot Porter. February 24, 1987.

Gibbs M. Smith, President, Peregrine Smith Books, Layton, Utah, to Eliot Porter. July 30, 1986.

Neil C. Stillinger, Attorney at Law, Santa Fe, New Mexico, to Eliot Porter. May 22, 1989.

Wilma Stern, The Pennsylvania State University, University Park, Pennsylvania, to Janet Russek, Scheinbaum & Russek. August 17, 1988.

Diana Landau, Executive Director, Sierra Club, San Francisco, California, to Eliot Porter. May 23, 1984.

Richard P. Kozel, Comptroller, Peregrine Smith Books, Layton, Utah, to Eliot Porter. December 28, 1988.