Social Science History, Vol. I, No. 1 (Fall 1976).
Softcover, Pittsburgh, Pa. UCIS Publications, 1976. Very Good with No dust jacket as issued.
Softcover, Pittsburgh, Pa. UCIS Publications, 1976. Very Good with No dust jacket as issued.
Soft Cover, Washington: National Geographic Society, 1944. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1945. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1945. Very Good with no dust jacket.
Softcover, Durham, NC: Duke University Press, 1988. Very Good with No dust jacket as issued.
Soft Cover, Durham, NC: Environmental History, 2002. Very Good with no dust jacket.
Softcover, Durham, NC: Duke University Press, 1985. Very Good with No dust jacket as issued.
Softcover, Washington, D.C. Government Printing Office, 1967. Good with no dust jacket.