Joe T. Marshall, The University of Arizona, Tucson, Arizona, to Eliot Porter. August 23, 1962.

James G. Deane, The Wilderness Society, Washington, D.C., to Eliot Porter. October 28, 1975.

G. S. Borit, Cambridge, Massachusetts, to Eliot Porter. November 10, 1967.

Corliss Lamont, New York, New York, to Eliot Porter. July 19, 1964.

Dennis Brokaw, San Diego, California, to Eliot Porter. July 3, 1969.

Michael Berger, Director, Michael Berger Gallery, Pittsburgh, Pennsylvania, to Eliot Porter. May 10, 1976.

Spencer [Beebe], Yale University, New Haven, Connecticut, to Eliot Porter. December 15, 1973.

Dennis Brokaw, San Diego, California, to Eliot Porter. November 14, 1967.

Pamela Lichty, Albuquerque, New Mexico, to Eliot Porter. August 15, 1985.

Eliot Porter, Santa Fe, New Mexico, to Bill Lees. August 22, 1975.

Robert W. Lanni, National Geographic Society, Washington, D.C., to Eliot Porter. August 3, 1964.

Robert B. Anderson, Chairman, The New Mexico Nature Conservancy, Roswell, New Mexico, to Eliot Porter. n.d.

Marlis A. Hadley, The Nature Conservancy, Albuquerque, New Mexico, to Eliot Porter. July 31, 1984.

Linda Morrissey, Asst. to Ann Guilfoyle, Audubon Magazine, New York, New York, to Eliot Porter. December 6, 1971.

Anne Dirkes Kobor, National Geographic Society, Washington, D.C., to Eliot Porter. May 9, 1963.

Memorandum to the New Mexico Chapter Board of Trustees from John C. Egbert. December 21, 1983.

Joseph Wood Krutch, Tucson, Arizona, to Eliot Porter. July 5, 1953.

David H. McAlpin, Clark, Dodge & Co., New York, New York, to Eliot Porter. January 21, 1941.

Michael Melford, Syracuse, New York, to Eliot Porter. May 7, 1973.

Ashley Boren, The Nature Conservancy International Program, Washington, D.C., to Eliot Porter. May 18, 1984.