B. to Eliot Porter. November 21, 1977.

Infantry Drill at Ft. Sam Houston, San Antonio, Texas

Churubusco 1847.

Philip Standing Soldier

The International Fund For Concerned Photography Inc. Information. n.d.

General Stuart Heintzelman

General Stuart Heintzelman

General Stuart Heintzelman

General Stuart Heintzelman

Draft text. n.d.

Louise D. Bodine and Evelyn S. Day, Sponsor Committee Chairman, Wildlife Art Expo, Academy of Natural Sciences, Philadelphia, Pennsylvania, to Mr. and Mrs. Porter. April, 1984.

Henry A. Millon, Chairman, Arts Committee, American Academy of Arts and Sciences, Cambridge, Massachusetts, to Eliot Porter. June 12, 1981.

Jon M. Burris, Director of Photography, National Cowboy Hall of Fame and Western Heritage Center, Oklahoma City, Oklahoma, to Laura Gilpin. February 8, 1978.

"My Wilderness: The Pacific West" by William O. Douglas. 1960.

1986 Hal Borland Award Fact Sheet. n.d.

Charles Cooper, Director, Contemporary Films Ltd., London, England, to Tine Everhard, The Dorr Foundation. August 22, 1958.

Jose Orraca, Associate Professor, Conservation of Photographs, Art Conservation Department, University of Delaware, Newark, Delaware, to Laura Gilpin. March 15, 1977.

Charles Duell, Duell, Sloan & Pearce, Inc., New York, New York, to Laura Gilpin. September 9, 1947.

L. S. Hitchcock, Head Master, Los Alamos Ranch School, Otowi, New Mexico, to Laura Gilpin. June 14, 1932.

James H. Carmel, Bloomfield Hills, Michigan, to Laura Gilpin. April 24, 1959.