Eliot Porter, Great Spruce Head Island, Maine, to Diarmuid Russell, Russell & Volkening Agency. July 4, 1968.

Thomas G. Morris, Congress of the United States House of Representatives, Washington, D.C., to Eliot Porter. February 19, 1962.

Desert Roses by Eliot Porter. n.d.

Dick Davies, Assistant Vice President for Marketing, Meisel Photochrome Corporation, Dallas, Texas, to Eliot Porter. July 15, 1974.

James Thrall Soby, Chairman, The Museum of Modern Art, New York, New York, to Eliot Porter. October 21, 1963.

Allan Grant, Los Angeles, California, to Laurence Dawson, Director, Sierra Club Film Program. January 11, 1969.

Eliot Porter, Santa Fe, New Mexico, to Thomas G. Morris, Interior and Insular Affairs Committee. March 1, 1962.

Nell Koons, New York, New York, to John Van Nostrand Dorr. n.d.

Elizabeth F. Wilder, Photo Research, Ginn and Company, Lexington, Massachusetts, to Nell Dorr, July 14, 1972.

Nell Dorr to John Van Nostrand Dorr. n.d.

Dorothy W. Leonard, Educational Art Department, Houghton Mifflin Company, Boston, Massachusetts, to Nell Dorr. February 5, 1957.

Hine & Goldthwaite, Engineers, Public Utility Consultants, New York, New York, to John V. N. Dorr. March 24, 1955.

B. W. Kerrigan, Secretary, The Institution of Mining and Metallurgy, London, England, to John V. N. Dorr. June 18, 1959.

James J. Kilpatrick, Editor, The Richmond News Leader, Richmond, Virginia, to Tine Everhard, The Dorr Foundation. January 28, 1957.

Tine Everhard, New York, New York, to Mrs. Girard Spencer, The Gift Shop, Lenox Hill Hospital. March 22, 1956.

Lotte Jacobi to Carlotta Corpron. December 25, 1982.

Clarence John Laughlin, New Orleans, Louisiana, to "A Notice to My Friends (including my Dealers)." May 18, 1977.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. December 8, 1976.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. October 27, 1977.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. May 30, 1985.