Sally Forbes, Picture researcher, McGraw-Hill Book Company, New York, New York, to Eliot Porter. August 1, 1969.

Scott Bartlett, Editor, McGraw-Hill Book Company, Inc., New York, New York, to Eliot Porter. October 12, 1953.

William Bridges, Curator of Publications, New York Zoological Society, New York, New York, to Eliot Porter. April 11, 1942.

Eliot Porter, Santa Fe, New Mexico, to Tom O. Meeks, Chief Watershed Party, New Mexico State Office. September 8, 1959.

William Bridges, Curator of Publications, New York Zoological Society, New York, New York, to Eliot Porter. May 18, 1942.

Keith Henney, Editor, Photo Technique The Magazine of Practical Photography, New York, New York, to Eliot Porter. December 29, 1939.

Harold M. Case, Henry Field Seed Company, Shenandoah, Iowa, to Erwin E. Smith, November 3, 1921.

Erwin E. Smith, School of the Museum of Fine Arts, Boston, Massachusetts, to L. B. Thomas. January 30, 1909.

Erwin E. Smith, School of the Museum of Fine Arts, Boston, Massachusetts, to L. B. Thomas. March 14, 1909.

Jack Bowling, United States Ship California, San Pedro, Colorado, to Erwin E. Smith. November 10, 1927.

William S. Hart, The William S. Hart Company, Hollywood, California, to Erwin E. Smith. July 20, 1926.

Harry Peyton Steger, Doubleday Page & Co., New York, New York, to Erwin E. Smith. March 20, 1909.

Ronald Oliphant, Associate Editor, Western Story Magazine, New York, New York, to Erwin Smith. June 30, 1926.

Arther W. Dow, Columbia University, New York, New York, to Clara E. Sipprell. May 2, 1917.

Erwin E. Smith, School of the Museum of Fine Arts, Boston, Massachusetts, to L. B. Thomas. May 15, 1909.

Barbara Kasten, Orange Coast College, Costa Mesa, California, to Carlotta Corpron. February 20, 1980.

Mrs. Remedios P. Yasay, Cagayan de Oro City Central School, Cagayan de Oro, Philippines, to The Dorr Foundation. November 15, 1956.

Frank N. McLaughlin, Professional and Finishing Markets Division, Eastman Kodak Company, Rochester, New York, to Eliot Porter. November 15, 1977.

Harold Runnels, M.C., Congress of the United States, House of Representatives, Washington, D.C., to Mr. and Mrs. Eliot Porter. April 28, 1971.

John Macrae, III, President, E. P. Dutton & Co., Inc., New York, New York, to Eliot Porter. October 23, 1972.