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

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

W. T. Okie, J. M. Mathes Incorporated Advertising, New York, New York, to Eliot Porter. April 4, 1969.

Keith Henney, Editor, Photo Technique The Magazine of Practical Photography, New York, New York, to Kenneth Henney. January 31, 1940.

David L. Garrison, A.O.U. Local Committee, New England Museum of Natural History, Boston, Massachusetts, to Eliot Porter. October 15, 1940.

Keith Henney, Editor, Photo Technique The Magazine of Practical Photography, New York, New York, to Eliot Porter. July 25, 1941.

William Bridges, Curator of Publications, New York Zoological Society, New York, New York, to Eliot Porter. October 6, 1945.

N. D. Deniston, Assistant Project Manager, HERO/Palmer Research System, Anaheim, California, to Eliot Porter. July 8, 1976.

Edward Steichen, Director of the Department of Photography, The Museum of Modern Art, New York, New York, to Eliot Porter. November 22, 1950.

Susan [A.] Smith, Assistant Director of Photography, National Geographic Society, Washington, D.C., to Estate of Eliot Porter. August 1, 1991.

John H. Adams, Executive Director, Natural Resources Defense Council, New York, New York, to Eliot Porter. October 17, 1985.

Barbara Jellow, Art Director, The University of New Mexico, Albuquerque, New Mexico, to Eleanor Caponigro and Eliot Porter. October 1, 1987.

John Macrae III, Editor-in-Chief, Holt, Rinehart and Winston, New York, New York, to Eliot Porter. June 24, 1983.

John H. Adams, Executive Director, Natural Resources Defense Council, New York, New York, to Eliot Porter. October 22, 1986.

Meeting Minutes by Lloyd P. Fadrique, Secretary, New Mexico Council on Photography, Santa Fe, New Mexico. October 22, 1987.

Adrian W. DeWind, Chairman, Natural Resources Defense Council, Inc., New York, New York, to Eliot Porter. December 27, 1984.

Nika P. Thayer, Secretary to Mr. Steichen, The Museum of Modern Art, New York, New York, to Eliot Porter. June 4, 1959.

Tim [Timothy Seldes], Russell & Volkening, Inc., New York, New York, to Eliot Porter. October 30, 1974.

Tim [Timothy Seldes], Russell & Volkening, Inc., New York, New York, to Eliot Porter. February 13, 1975.

Agreement between Sierra Club and Ballantine Book, Inc. March 5, 1968.