Gerald Lang, Assistant Professor, Department of Art, University of Pennsylvania, University Park, Pennsylvania, to Laura Gilpin. September 27, 1977.

[?] to Ethie and Karl. Nov. 18, 1957.

Anne Dirkes Kobor, National Geographic Society, Washington, D.C., to Eliot Porter. July 17, 1963.

Stuart Gentling, to Colette and John. August 19, 1983.

"The Seasons" by Eliot Porter. n.d.

Clarence John Laughlin, New Orleans, Louisiana, to "All My Friends (including my Dealers)." January 20 1978.

Agreement between Sierra Club and Eliot Porter. November 8, 1968.

Laura Gilpin, Santa Fe, New Mexico, to Willard Morgan. May 18, 1963.

John Lilly Jr., Los Angeles, California, to Scott and Stuart Gentling. March 18, 1981.

In the Circus

Jonathan Porter, Cambridge, Massachusetts, to Daddy [Eliot Porter]. April 7, 1958.

Laura Gilpin, Santa Fe, New Mexico, to Minor White. January 11, 1957.

The Art of Ornament: Designs for the Bass Performaing Arts Hall Checklist. n.d.

Preston F. Kirk, APR, Kirk Public Relations, Richardson, Texas, to Scott and Stuart Gentling. June 9, 1987.

Second Draft of "Porter Retrospective: Chapter Two." February 11, 1987.

Vera Cruz

Jim Bones, Austin, Texas, to Mr. and Mrs. Porter. August 13, 1968.

"Exhibits Concerning the Research Material for the Recently Discovered Audubon Painting of the Boat-Tailed Grackles." n.d.

Draft of "Crawford H. Greenwalt's Bird Photography." n.d.

Sue Davies, Director, The Photographer's Gallery, London, England, to Eliot Porter. December 17, 1974.