Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. February 9, 1972.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. July 10, 1968.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. December 13, 1968.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. October 1, 1968.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. July 9, 1968.

Mike Harris, Charles Darwin Foundation for the Galapagos Isles, Santa Cruz, Galapagos, Ecuador, to Eliot Porter. March 1, 1967.

Tim [Timothy Seldes], Russell & Volkening, Inc., New York, New York, to Eliot Porter. July 17, 1978.

Lois Dwight Cole, Walker and Company, New York, New York, to Diarmuid Russell. April 27, 1972.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. April 1, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. January 21, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. December 5, 1968.

Eliot Porter, Santa Fe, New Mexico, to Letters Editor, The New York Times. November 24, 1965.

Eliot Porter, Santa Fe, New Mexico, to Forest Supervisor, Santa Fe National Forest. April 10, 1972.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. September 25, 1972.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. May 7, 1970.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. July 15, 1968.

Thomas G. Morris, Congress of the United States House of Representatives, Washington, D.C., to Eliot Porter. March 6, 1962.

Larry Dieringer, Associate Director, for Susan Alexander, Educators for Social Responsibility, Cambridge, Massachusetts, to Eliot Porter. May 26, 1987.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. June 26, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. February 4, 1969.