The Gentling Book of Texas Birds Prospectus. n.d.

B., St. Louis, Missouri, to Pa [Eliot Porter]. May 9, 1980.

Pendleton Woods, General Chairman, National Cowboy Hall of Fame, Oklahoma City, Oklahoma, to Laura Gilpin. May 2, 1969.

Stuart Gentling, to Ron Tyler. March 12, 1985.

Stuart Gentling, to William S. Reese. March 28, 1985.

Wanda Conger, Chief Manuscript Editor, University of New Mexico Press, Albuquerque, New Mexico, to Laura Gilpin. August 16, 1973.

David Holman, to Stuart Gentling. October 29, 1985.

[Stuart Gentling], to Ted and Holly. December 8, 2001.

Stuart Gentling, to William S. Reese. March 28, 1985.

"About the Book." n.d.

Eliot Porter to James G. Deane, The Wilderness Society. October 8, 1975.

Stuart Gentling, to Catriona Glazebrook, Texas Audubon Society. February 16, 1999.

Robert L. Thornton, III, Vice Chairman, Texas Commerce Bank, Dallas, Texas, to Stuart Gentling. October 30, 1989.

Laura Gilpin to Francis C. Broaddus. March 30, 1950.

"Conservation and Natural History" by Bob Pyle. n.d.

Prints and Printmaking of Texas Print conference. November 9-12, 1988.

Author's proof of part 3 of The Enduring Navaho. 1968.

World Wildlife Fund Letter. 1989.

Frank Fenner, Editor, Popular Photography, Chicago, Illinois, to Laura Gilpin. June 15, 1949.

Laura Gilpin to Walter Frese, Hastings House. April 4, 1954.