J. Harry Flock, Regina, Saskatchewan, to Eliot Porter. June 19, 1954.

[Eliot Porter], to Robert A. Wegman, Kodak Processing Laboratory. October 11, 1980.

S. Sergeant Newberry, President, The Business Men’s Clearing House, Co., Denver, Colorado, to Laura Gilpin. December 11, 1922.

Laura Gilpin, Santa Fe, New Mexico, to Jerry Bywaters, Dallas Museum of Fine Arts. November 24, 1954.

Helen Johnston, Focus Gallery, San Francisco, California, to Laura Gilpin. November 15, 1976.

Joan Nowak and Edward Nowak, Editors, Archetype, New Haven, Connecticut, to Laura Gilpin. January 21, 1978.

Col. W. F. Cody "Buffalo Bill"

Laura Gilpin, Colorado Springs, Colorado, to Herbert Gambrell, Hall of State Museum, Dallas, Texas. January 7, 1940.

Takashi Goto, Manager, International Section, Editorial Department, Teikoku-shoin Co. Ltd. Publishers, Chiyoda-ku, Tokyo, Japan, to Laura Gilpin. July 27, 1977.

Manuscript about nature. n.d.

Manuscript about nature. n.d.

Tad Nichols to Eliot Porter. December 8.

Laura Gilpin to Ned Hatathli. May 6, 1964.

The Nature Conservancy in Maine Brochure. n.d.

Laura Gilpin to The Friends of Clarence H. White. n.d.

Mary C. Sullivan, The Scribner Book Store, New York, New York, to John V. N. Dorr. February 15, 1955.

Minor White, Assistant to the Curator, George Eastman House, Rochester, New York, to Eliot Porter. May 17, 1955.

Drucilla Denney, Secretary, Roswell Museum of Art, Roswell, New Mexico, to Laura Gilpin. March 3, 1976.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Walter Frese, Hastings House Publishers. June 12, 1941.

David Hunter McAlpin, Princeton, New Jersey, to Eliot Porter. November 10, 1976.