Laura Gilpin, Colorado Springs, Colorado, to Sidney R. Jacobs, Alfred A. Knopf Co. Inc. November 16, 1939.

Ruth Simms, Los Poblanos Ranch, Albuquerque, New Mexico, to Laura Gilpin. February 14, 1939.

W. H. Cowles, The Spokesman Review, Spokane, Washington, to Laura Gilpin. August 6, 1940.

Walter Frese, Hastings House Publishers, New York, New York, to Laura Gilpin. August 29, 1940.

Erna Ferguson, Albuquerque, New Mexico, to Laura Gilpin. November 4, 1939.

Laura Gilpin, Colorado Springs, Colorado, to Russell R. Weir. April 17, 1939.

Ira Martin, Pictorial Photographers of America, New York, New York, to Laura Gilpin. November 25, 1935.

Phillip Andrews, U.S. Camera Publishing Corp., New York, New York, to Laura Gilpin. March 10, 1939.

Amy Miller, Ashton, Maryland, to Laura Gilpin. November 16, 1935.

Jean Austin, Editorial Director, Country Life, New York, New York, to Laura Gilpin. January 4, 1937.

Warren Chappell, New York, New York, to Laura Gilpin. June 5, 1937.

Laura Gilpin, Colorado Springs, Colorado, to Warren Chappell. June 2, 1937.

J. Dudley Johnson, Salt Lake City, Utah, to Laura Gilpin. November 30, 1937.

Earl H. Morris, Carnegie Institution of Washington, Washington, D. C., to Laura Gilpin. May 24, 1937.

Alice R. Shinn, Albuquerque, New Mexico, to Laura Gilpin. January 8, 1937.

Gertrude Maloney, Albuquerque, New Mexico, to Laura Gilpin. March 9, 1938.

F. B. Garahan, Manager of Sales Promotion, The Eimco Corporation, Salt Lake City, Utah, to Laura Gilpin. January 26, 1940.

Robert L. Johnstone III, Chicago, Illinois, to Eliot Porter. May 23, 1974.

Yvonne J. Kalmus, New York, New York, to Eliot Porter. November 27, 1971.

Duane Doolittle, Down East: The Magazine of Maine, Camden, Maine, to Eliot Porter. June 27, 1969.