"A Note on Bird Photography" by Eliot Porter. n.d.

Lloyd E. Varden, Technical Director, The Photographic Society of America, New York, New York, to Laura Gilpin. September 30, 1946.

Stuart Gentling, to Gossetts. July 13, 2004.

Frank [N. McLaughlin], Principal, McLaughlin and Company, Rochester, New York, to Eliot Porter. October 11, 1988.

"The Great City Square: Government in Ancient Cholula" by Michael Lind. August 7, 1993.

Draft 1 Continued, pages 50 to 84. October 27, 1986.

Text and photo dimensions for Part 2: Mid Stream. n.d.

"Texas Tome: Hefty bird book has hefty price" by Bryce Milligan. October 11, 1986.

"A Recently-Discovered Painting of Boat-Tailed Grackles by John James Audubon." n.d.

"Report by Council Secretary of Inspection Trip to Blue Lake with Taos District Ranger" by Paul J. Bernal, Taso Pueblo Council Secretary. October 1, 1968.

Robert J. Woodward, Photo Editor, The Reader's Digest, New York, New York, to Eliot Porter. July 10, 1969.

Draft of "I. Photography of Birds, Winter Wren, Ruby Crowned Kinglet." n.d.

"My Brother Fairfield." n.d.

Frank J. Sulloway, II, Cambridge, Massachusetts, to Eliot Porter. October 8, 1969.

Virginia Doss, Nashville, Tennessee, to Carlotta Corpron. September 8, 1979.

Martin Friedman, Director, Walker Art Center, Minneapolis, Minnesota, to Laura Gilpin. September 19, 1972.

Dorothy Dunn Kramer, Los Altos, California, to Laura Gilpin. January 22, 1965.

Draft of [Chapter I]. n.d.

Client Card [Wickey, Harry, Cornwall, NY; Mitchell, Arthur, Trinidad, CO; Phillips, George, Brookings, SD; Dunn, Harvey, Amagansett, Long Island, NY; Davis]