U.S. Antarctic Program Personnel Manual, National Science Foudnation. September, 1975.

Iceland Prints to Jack Macrae. November 16, 1972.

NSF Rep Antarctica Peninsula, Glacier Pass, to Eliot Porter. January, 1975.

USCGS Glacier Personnel Roster. November 17, 1974.

Antarctic Development Squadron Six, Flight Schedule. December 22, 1975.

Request for Permission to Reprint from Ward Ritchie Press. April 5, 1976.

Agreement between Eliot Porter and Elsevier-Dutton Publishing Company, Inc. February 20, 1979.

John W. Grandy, Defenders of Wildlife, Washington, D.C., to Defender. n.d.

"The Seasons" Color Photography by Eliot Porter Itinerary. 1960-1964.

Diarmuid Russell to Eliot Porter. August 13, 1968.

B. to Bu [Eliot Porter]. January 19, 1977.

William Eliot Furness to General. September 22, 1866.

Bob, Woolwich, Maine, to Eliot Porter. March 15, 1981.

Linda, Chicago, Illinois, to Eliot Porter. July, 1986.

Francis, Cambridge, Massachusetts, to Eliot Porter. October 19, 1988.

Phoebe [Porter] to Granddaddy [Eliot Porter]. November 27, 1978.

B., St. Louis, Missouri, to Pa [Eliot Porter]. December 28.

Steve [Stephen Porter], Bellefonte, Pennsylvania, to Pop [Eliot Porter]. October 20, 1989.

Bu to Bu [Eliot Porter]. February 7, 1977.

Tony to Pa [Eliot Porter]. November 7, 1988.