Edward Steichen, Director, The Museum of Modern Art, New York, New York, to Eliot Porter. August 17, 1951.

Rodney C. Ewing, Associate Professor, Department of Geology, University of New Mexico, Albuquerque, New Mexico, to Laura Gilpin. June 28, 1978.

Harry R. E. Hampton, to Les Line, Editor, Audubon Magazine. March 10, 1969.

David Hunter McAlpin, Princeton, New Jersey, to Eliot Porter. April 27, 1975.

Tom Maloney, Editor, U. S. Camera, New York, New York, to Friend of U. S. Camera. 1939.

Victor W. Hungerford, Sherwin and Hungerford, Attorneys, Colorado Springs, Colorado, to Laura Gilpin. March 25, 1946.

John A. Stick, Los Angeles, California, to Laura Gilpin. February 13, 1922.

Ansel Adams, San Francisco, California, to Laura Gilpin. December 5, 1959.

John Humphrey, San Francisco Museum of Art, San Francisco, California, to Carlotta Corpron. March 25, 1977.

Laura Gilpin, Santa Fe, New Mexico, to Paul J. Smith, Museum of Contemporary Crafts. April 26, 1965.

Laura Gilpin, Santa Fe, New Mexico, to H. H. Hogue, Meisel Photochrome Corporation. November 14, 1962.

Laura Gilpin, Santa Fe, New Mexico, to Irwin Welcher, General Graphic Services. February 17, 1969.

B. [Ellen Auerbach], New York, New York, to Eliot Porter. December 4, 1981.

Jean S. Tucker, Research Fellow, University of Missouri, St. Louis, Missouri, to Laura Gilpin. December 8, 1975.

Laura Gilpin, Santa Fe, New Mexico, to Dr. William I. Homer, College of Arts and Sciences, University of Delaware. April 27, 1976.

Adelle Herring, The Geotechnical Corporation, Dallas, Texas, to Laura Gilpin. December 27, 1939.

James W. Kropp, Property Manager, College Park, Carrollton, Texas, to Scott and Stuart Gentling. February 27, 1988.

Bird's-eye View of Army Post, Ft. Sam Houston, San Antonio, Texas

Draft of "Retrospective," Pages 1 to 9. n.d.

Laura Gilpin, New York, New York, to Frank Fenner, Jr. [June], 1949.