Jack [Wurtz?], Los Angeles, California, to Karl Struss. April 14, 1945.

Carol Stewart, General Manager, Meisel Photochrome Corporation, Dallas, Texas, to Eliot Porter. March 5, 1979.

Crawford H. Greenewalt, Du Pont Building, Wilmington, Delaware, to Eliot Porter. December 14, 1961.

Walter Frese, Hastings House, New York, New York, to Laura Gilpin. August 14, 1951.

Valley House Gallery Invitation to Scott Gentling Exhibition. March 17, 1966.

Edwin Dancy, Houston, Texas, to Laura Gilpin. September 9, 1939.

Laura Gilpin, Colorado Springs, Colorado, to Isabel C. Herdle, Rochester Memorial Art Gallery. January 29, 1942.

Cathy Spencer, The Medical Newsmagazine, New York, New York, to Eliot Porter. February 11, 1969.

John V. N. Dorr to Jesse E. Lerhman, Jr., Advertising Manager, Mystik Adhesive Products. February 2, 1955.

Thomas M. Messer, Director, The Roswell Museum, Roswell, New Mexico, to Laura Gilpin. April 20, 1950.

Jerry Bywaters, Director, Dallas Museum of Fine Arts, Dallas, Texas, to Laura Gilpin. November 26, 1954.

Laura Gilpin [Dictated to Sina Brush-Morales], Santa Fe, New Mexico, to Susan Spiritus. April 15, 1977.

Donald Bear, Director, Santa Barbara Art Museum, Santa Barbara, California, to Laura Gilpin. October 25, 1949.

Paul W. Lapp, American School of Oriental Research, Jerusalem, Israel, to Eliot Porter. March 20, 1967.

Selma Pundyk, Photo Editor, The Macmillan Company, New York, New York, to Laura Gilpin. July 13, 1964.

Albert Kornfeld, Editor, House and Garden, New York, New York, to Laura Gilpin. January 27, 1948.

Laura Gilpin, Colorado Springs, Colorado, to O. T. Kreusser, Director, Museum of Science and History. December 4, 1935.

"Of Men and Mountains" by William O. Douglas. n.d.

Guy Guthridge, to Eliot Porter, November, 1974.

Beth Wilson, Publicity, University of Texas Press, Austin, Texas, to Scott and Stuart Gentling. February 14, 2002.