Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Carlotta Corpron. December 21, 1976.

Draft text. n.d.

Howard T. Fisher, Research Professor of Cartography, Harvard University, Cambridge, Massachusetts, to Eliot Porter. March 18, 1974.

"The Rare Photograph." n.d.

"A Few Words In Appreciation of Alfred Stieglitz" by Eliot Porter. n.d.

Paul A. Douden, Resident Engineer, Curtis Lighting, Inc., Denver, Colorado, to Laura Gilpin. April 30, 1932.

Van Deren Coke, Director, Art Museum of the University of New Mexico, Albuquerque, New Mexico, to Laura Gilpin. May 20, 1976.

J. Ortega, Editor, New Mexico Quarterly, Albuquerque, New Mexico, to Laura Gilpin. December 11, 1950.

Cusie Pfeifer, Marcuse Pfeifer Gallery Photography, New York City, New York, to Marni Sandweiss. June 13, 1980.

Arthur Stanley Riggs, Director, Art and Archaeology Press, Washington, D. C., to Laura Gilpin. March 23, 1926.

Laura Gilpin, Santa Fe, New Mexico, to Irwin Welcher, General Graphic Services. January 27, 1969.

Laura Gilpin, Santa Fe, New Mexico, to Susan Spiritus. June 16, 1977.

Ellen Auerbach to Barbara Klemm. n.d.

Mitchell Wilder, Director, Colorado Springs Fine Arts Center, Colorado Springs, Colorado, to Laura Gilpin. March 31, 1953.

Laura Gilpin, Santa Fe, New Mexico, to Susan Allen, National Cowboy Hall of Fame. May 23, 1969.

Gael Towey Dillon, Associate Art Director, Studio Books, The Viking Press, New York, New York, to Laura Gilpin. August 9, 1979.

Ronnie Alonzo, Land O Lakes, Florida, to Scott Gentling. October 30, 2008.

U.S. Antarctic Research Program, Planned Field Research Projects. 1975-1976.

Carlotta Corpron, Denton, Texas, to Susan King, San Francisco Museum of Art. May 11, 1975.

Isabella Gilpin, Boyce, Virginia, to Laura Gilpin. October 24, 1949.