Laura Gilpin to Frank Wardlaw, Director, University of Texas Press. October 11, 1966.

Grace M. Mayer to Nell Dorr. September 15, 1965.

John V. N. Dorr, The Hague, Netherlands, to Nell Dorr. n.d.

Margaretta Mitchell to Nell Dorr. n.d.

Grace M. Mayer, New York, New York, to Nell Dorr. October 13, 1964.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. April 27, 1977.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Edgar C. McMechen, Colorado Association. May 11, 1932.

Author's proof of part 2 of The Enduring Navaho. 1968.

Loan Receipt of photographs received by the Amon Carter. September 28, 1988.

Shady Oak

Shady Oak

"Birds in Art News" by Charles Bender. n.d.

B., Saint Louis, Missouri, to Pa [Eliot Porter] and Aline. December 19, 1977.

Laura Gilpin, Colorado Springs, Colorado, to Herbert Putnam. April 3, 1934.

John Howard Griffin, American Society of Magazine Photographers, Royal Photographic Society of Great Britain, to Nell Dorr. May 9, 1967.

A List and Description of the Gentling Bird Paintings. n.d.

Central Back & Trust Deed of Trust Note. April 20, 1987.

"The Gentlings: A Retrospective." [2007].

Bird Form and Their Metamorphosis

Virginia Doss, Nashville, Tennessee, to Carlotta Corpron. May 14, 1981.