Dorothy Jeakins, Los Angeles County Museum of Art, Los Angeles, California, to Eliot Porter. February 14.

Bob, Walter Gropius and Marcel Breuer Associated Architects, Cambridge, Massachusetts, to Eliot Porter. n.d.

Harold E. Edgerton, Massachusetts Institute of Technology, Cambridge, Massachusetts, to Eliot Porter. January 20, 1941.

David W. Gengler, Colorado Springs, Colorado, to Eliot Porter. November 25, 1972.

William George, University of Arizona, Tucson, Arizona, to Eliot Porter. October 31, 1959.

Frederick Morgan, Editor, The Hudson Review, New York, New York, to Eliot Porter. March 26, 1971.

Richard V. Healy, Acton, Massachusetts, to Eliot Porter. May 19, 1970.

Patricia Caulfield, Las Vegas, Nevada, to Eliot Porter. July 7, 1978.

Eliot Porter, to C. Gregg Petersmeyer, Constructive Colloquy. February 26, 1971.

Daniel De Wilde, Oakland, California, to Eliot Porter. August 10, 1979.

Jürgen F. Boden, West Germany, to Eliot Porter. February 22, 1979.

Charles T. Bradford, Parkersburg, West Virginia, to Sierra Club. September 8, 1970.

Laura Gilpin, Colorado Springs, Colorado, to Delos Chappell. December 29, 1932.

Laura Gilpin, Colorado Springs, Colorado, to Mr. Joseph H. Jackson, Mesa Verde Library Fund. October 19, 1932.

Laura Gilpin, Colorado Springs, Colorado, to H. J. Whigham, Editor, Town and Country. February 25, 1932.

E. C. McMechen, The Colorado Association, Denver, Colorado, to Laura Gilpin. May 9, 1932.

Lucy Taylor, Santa Fe, New Mexico, to Laura Gilpin. November 26, 1930.

Brenda Putnam, Washington D. C., to Laura Gilpin. October 23, 1931.

Laura Gilpin, Colorado Springs, Colorado, to James N. Doolittle. July 8, 1932.

Laura Gilpin, Colorado Springs, Colorado, to Mr. A. J. Connell. November 25, 1932.