Isabel Herdle, Assistant Director, The Rochester Memorial Art Gallery, New York, New York, to Laura Gilpin. December 11, 1941.

Nancy Newhall, The Museum of Modern Art, New York, New York, to Eliot Porter. July 6, 1943.

Manuscript. n.d.

Kent Kessinger, Museum Registrar, The M. H. de Young Memorial Museum, San Francisco, California, to Eliot Porter. March 29, 1965.

List of Bird Plates. n.d.

"The Upland Pasture Abridged." n.d.

Notes. n.d.

Letter from Stuart Gentling. n.d.

"Son of Maine Address." n.d.

Nature and Photography. n.d.

"Anti-Russian Talk Assailed by Ickes." n.d.

Mary S. Carnahan, Texas Memorial Museum, The University of Texas, Austin, Texas, to Laura Gilpin. April 20, 1970.

Last Day at Draper Farm interview transcript.

First Draft of "The West." n.d.

"The Upland Pasture Abridged." n.d.

Laura Gilpin to May Wallace Ross. June 12, 1950.

Draft of partial text. n.d.

A. Lovell Elliott, Barnstable, Massachusetts, to Stuart Gentling. October 16, 2006.

Judy Dater to Laura Gilpin. December 8, 1978.

"From Upland Pasture File" manuscript. n.d.