[Eliot Porter], Santa Fe, New Mexico, to Dave. May 8, 1963.

Eliot Porter to Dick Davies, Meisel Photochrome Corporation. April 1, 1977.

Loan Amendment between Eliot Porter and the Museum of Modern Art. September, 1965.

Elizabeth Wilson, Production Secretary, Sierra Club, San Francisco, California, to Eliot Porter. May 7, 1963.

Carol Stewart and Bill Beavers, Meisel Photochrome Corporation, Dallas, Texas, to Eliot Porter. 1977.

Report from Edward Steichen, The Museum of Modern Art, New York, New York. March 17, 1952.

Agreement between Eliot Porter and Scholastic Magazine. October 1, 1973.

Paul L. Hill, Clinical Psychologist, West Orange, New Jersey, to E. P. Dutton & Co., Inc. October 13, 1972.

Eliot Porter, to The Treasurer, The Adirondack Historical Association. November 2, 1971.

Arthur Holloway, Piedmont, California, to Eliot Porter. May 20, 1988.

Brenda Putnam, New York, New York, to Laura Gilpin. September 28, 1916.

Katherine Foote, Winter Hill, Massachusetts, to Laura Gilpin. March 15, 1911.

David Kumpe, Morrison, Colorado, to Eliot Porter. August 3, 1981.

Parsa Ghassemian, Birmingham, England, to Eliot Porter. May 24, 1990.

Gladys McConnell Fowler, Colorado Springs, Colorado, to Laura Gilpin. October 17, 1910.

Gladys McConnell Fowler, Toronto, Ontario, to Laura Gilpin. January 3, 1912.

Anne Simon, Washington, D.C., to Laura Gilpin. September 27, 1915.

Anne Simon, Washington, D.C., to Laura Gilpin. December 25, 1915.

Ruth Bowing, Colorado Springs, Colorado, to Laura Gilpin. September 2, 1916.

Brenda Putnam, New York, New York, to Laura Gilpin. December 27, 1916.