Nancy P. Kefauver, Advisor on Fine Arts, Department of State, Washington, D. C., to Laura Gilpin. November 6, 1967.

Client Card [Korbel, Mario, New York City, NY; Art In Use Co.]

Client Card [Egan, Charles, Egan Gallery, New York City, NY; Nakian; Nakian, Rubin; Stern, Philip M., Washington, DC]

Eliot Porter, Sunset, Maine, to Ken. June 16, 1968.

List of Attendees at the United States Antarctic Research Program, 1975 Orientation Session. 1975.

Cottage Chrnoicles from the Van Zandt Cottage Friends, Inc. Fall, 2005.

Joel Orent to Eliot Porter. n.d.

Southwestern Historical Quarterly. January, 1989.

Style Sheet for the Enduring Navaho by Laura Gilpin. Undated

Letter from Mark O. Hatfield and George S. McGovern, United States Senator, United States Senate, Washington, D.C. May, 1971.

Edgar Bissantz, Carmel, California, to Laura Gilpin. March 1, 1965.

Marla, Modern Art Museum of Fort Worth, Fort Worth, Texas, to Stuart Gentling. 1995.

Letter from Ralph Carr, Project Manager. n.d.

Mollie Lasater, to Stuart Gentling. October 11, 2001.

Resident Birds of the Gomez Farias Region, Tamaulipas, Mexico. n.d.

Woody Plants of the Congaree Forest Swamp, South Carolina, No. 12. July, 1967.

Congressional Record Proceedings and Debates of the 92nd Congress, Vol. 117, No. 74. May 19, 1971.

Henry Wilhelm, Grinnell, Iowa, to Eliot Porter. December 27, 1979.

New Prospectus. January, 1987.

Draft of Chapter V, "Fernandina." n.d.