David Neilson, Publications Design Officer, Australian Conservation Foundation, Hawthorn, Victoria, Australia, to Eliot Porter. May 16, 1986.

E. F. Porter, Providence, Rhode Island, to Grandfather [Eliot Porter]. January 30, 1986.

Eliot Porter to Timothy Seldes, Russell & Volkening, Inc. March 30, 1973.

Jonathan Porter, Cambridge, Massachusetts, to Daddy [Eliot Porter]. March 24, 1958.

[Babo] Porter, Uxbridge, Massachusetts, to Papa [Eliot Porter]. January 12, 1958.

Jonathan Porter, Boulder, Colorado, to Daddy [Eliot Porter]. March 25, 1961.

B., Portland, Maine, to Pa [Eliot Porter]. January 2, 1963.

E. F. Porter, Providence, Rhode Island, to Grandfather [Eliot Porter]. July 17, 1985.

David Brower, Executive Director, Sierra Club, San Francisco, California, to Eliot Porter. September 18, 1962.

Signed Contract from Russell & Volkening, Inc. December 9, 1975.

Jane Sabersky, Supervisor, The Museum of Modern Art, New York, New York, to Eliot Porter. February 9, 1948.

Leon O. Hill to Eliot Porter. January 14, 1963.

Francis, Cambridge, Massachusetts, to Eliot Porter. April 1, 1989.

E. F. Porter, Boston, Massachusetts, to Grandpa [Eliot] Porter. October 10, 1977.

Francis [Birch], Cambridge, Massachusetts, to Eliot Porter. January 7, 1987.

Vernon P. Williams, Boston, Massachusetts, to Eliot Porter. September 25, 1966.

S. 750 In the Senate of the United States, 91st Congress 1st Session. January 29, 1969.

[Babo] Porter, Belmont, Massachusetts, to Papa [Eliot Porter]. July 23, 1956.

James E. Brassert, New York, New York, to Nell Dorr. February 9, 1954.

John Van Nostrand Dorr, West Branch, Westport, Connecticut, to Elizabeth Koons. n.d.