David H. McAlpin, New York Zoological Society, to Eliot Porter. November 18, 1941.

Nancy Newhall, Photography, Women’s International Exposition, New York, New York, to Laura Gilpin. March 26, 1948.

Flight

Draft of text. n.d.

Eugene Ostroff, Smithsonian Institution, Washington, D.C., to Karl Struss. May 15, 1975.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. December 13, 1977.

Nancy Newhall, Acting Curator, The Museum of Modern Art, New York, New York, to Eliot Porter. December 2, 1942.

Ira W. Martin, President, Pictorial Photographers of America, New York, New York, to Laura Gilpin. September 9, 1929.

Franz Furst, PIX Incorporated, New York, New York, to Laura Gilpin. April 5, 1946.

Betty Thompson, Farmville, Virginia, to Laura Gilpin. July 21, 1978.

Nina to Eliot Porter. n.d.

Captions. n.d.

"Beyond the Hundredth Meridian: John Wesley Powell and the Second Opening of the West" by Wallace Stegner. 1954.

Michigan Audubon Society Newsletter, Volume 12, Number 1. January 27, 1964.

Laura Gilpin, Santa Fe, New Mexico, to Irwin Welcher, General Graphic Services. February 20, 1971.

Clarence John Laughlin, New Orleans, Louisiana, to Carlotta Corpron. February 10, 1977.

Mary Carrington Nicholas, Assistant to the Director, The Roswell Museum, Roswell, New Mexico, to Laura Gilpin. January 29, 1951.

Joel Orent, Chestnut Hill, Massachusetts, to Eliot Porter. January 14, 1969.