Erica Anderson, New York, New York, to Nell Dorr, September 4, 1947.

Laura Gilpin, Santa Fe, New Mexico, to Irwin Welcher, General Graphic Services. May 3, 1971.

Betty Charleston, West Virginia, to Eliot Porter. May 4, 1971.

"Photography and Conservation: Involvement in Conservation Through Photography." n.d.

Annie Bishop to Eliot Porter. November 13.

Alice and Penny, Carrington/Gallagher, San Antonio, Texas, to Stuart Gentling. February 20, 1992.

Laura Gilpin to Barbara Spielman, University of Texas Press. March 3, 1968.

Mitchell Wilder, Colonial Williamsburg, Williamsburg, Virginia, to Laura Gilpin. April 25, 1956.

Eliot Porter, Santa Fe, New Mexico, to Eliot Porter. January 4, 1967.

Jerry Bywaters, Director, Dallas Museum of Fine Arts, Dallas, Texas, to Laura Gilpin. August 19, 1954.

Laura Gilpin, Santa Fe, New Mexico, to David Brower, The Sierra Club. November 19, 1965.

Robin Z. Cronin, Director, The Cronin Gallery, Houston, Texas, to Laura Gilpin. July 6, 1976.

Laura Gilpin, Wichita, Kansas, to Major Hungerford. July 29, 1943.

Grover C. Dillman, President, Michigan College of Mining and Technology, Houghton, Michigan, to John V. N. Dorr. February 7, 1955.

Parson Weems' Fable

Pál Kelemen, Norfolk, Connecticut, to Isabel. January 14, 1959.

Eliot Porter, Sunset, Maine, to Anne Dirkes Kobor, National Geographic Society. July 12, 1963.