Ian Ballantine, Ballantine Books, Inc., New York, New York, to Arabel J. Porter, Houghton Mifflin Company. June 16, 1970.

Nell Dorr, Santa Monica, California, to John Van Nostrand Dorr. March 10, 1949.

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

Charlotte Clark, Secretary to Arthur H. Compton, Washington University, Saint Louis, Missouri, to Nell Dorr, The Dorr Foundation. February 15, 1955.

Winifred Carroll, McGraw-Hill Book Company, Inc., New York, New York, to John V. N. Dorr. November 14, 1955.

T. D. Murray, Copy Supervisor, Campbell-Ewald Company, Detroit, Michigan, to O. E. Ederhard, The Dorr Foundation. August 3, 1956.

Rev. Dr. A. W. Blaxall, Secretary , Christian Council of S.A. , Heidelberg, South Africa, to The Chairman, The Dorr Foundation, November 19, 1956.

Allis N. Ferguson, Assistant, The Museum of Modern Art, New York, New York, to John V. N. Dorr. January 12, 1956.

David Travis, Assistant Curator of Photography, Art Institute of Chicago, Chicago, Illinois, to Eliot Porter. November 8, 1976.

Nancy Meiselas, Editor, Farrar, Straus & Giroux, Inc., New York, New York, to Whom It May Concern. July 13, 1977.

Judith Tortolano, Rights and Reproductions, Harry N. Abrams, Inc., New York, New York, to Eliot Porter. October 11, 1977.

Judith Tortolano, Rights and Reproductions, Harry N. Abrams, Inc., New York, New York, to Eliot Porter. April 12, 1979.

Marilyn Wandrus, Graphics Researcher, United States Department of the Interior National Park Service, Springfield, Virginia, to Eliot Porter. April 11, 1978.

Cornell Capa, Executive Director, The International Fund for Concerned Photography Inc., New York, New York, to Eliot Porter. March 15, 1972.

Gary Edwards, Consultant for Special Projects, The Commonwealth of Massachusetts Council on the Arts and Humanities, Boston, Massachusetts, to Eliot Porter. April 6, 1978.

Alexandra C. Anderson, Chairman, The Junior Council of The Museum of Modern Art, New York, New York, to Eliot Porter. March 21, 1972.

Fred H. Kennedy, Regional Forester, United States Department of Agriculture Forest Service, Albuquerque, New Mexico, to Mrs. L. Brown. May 25, 1962.

James E. Murray, Chairman, United States Senate Committee On Interior and Insular Affairs, to Joseph Wood Krutch. December 9, 1958.

Cindy [Lucinda Foster], to Aline and Eliot Porter. December 15.

Loan Agreement between Eliot Porter and the Whitney Museum of American Art. April 4, 1974.