Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. January 22, 1970.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. June 6, 1968.

Clinton P. Anderson, Congress of the United States Joint Committee on Atomic Energy, to Eliot Porter. January 12, 1961.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. May 29, 1968.

E. S. Johnny Walker, Congress of the United States House of Representatives, Washington, D.C., to Eliot Porter. August 9, 1967.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. February 16, 1972.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. December 19, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. February 19, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. December 9, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. July 15, 1969.

Diarmuid Russell, Russell & Volkening, Inc., New York, New York, to Eliot Porter. June 26, 1968.

Quirino Romero, Governor, Taos Pueblo Council, Taos, New Mexico, to Edward P. Cliff, Chief, Forest Service. October 11, 1968.

Charles L. Fabrikant, Director, Environmental Impact, Environmental Protection Agency, Washington, D.C., to Concerned Citizen. June 24, 1971.

Tim [Timothy Seldes], Russell & Volkening, Inc., New York, New York, to Eliot Porter. September 7, 1978.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. January 11, 1972.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. December 20, 1971.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. November 25, 1969.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. April 11, 1969.

Jon Beckmann, Editor in Chief, Sierra Club, San Francisco, California, to Eliot Porter. April 10, 1974.

Diarmuid [Russell], Russell & Volkening, Inc., New York, New York, to Eliot Porter. November 19, 1969.