The National Geographic Magazine, Volume 94, Number 5 (November 1948).
Soft Cover, Washington: National Geographic Society, 1948. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1948. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1957. Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1977. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1972. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1973. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1971. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1971. Very Good with no dust jacket.
Soft Cover, Washington: National Geographic Society, 1970. Very Good with no dust jacket.
Hardcover, Leningrad: Izdatelstvo Meditsina, 1968. Good with no dust jacket.
Softcover, New York: Linnean Society of New York, 1962. Good with No dust jacket as issued.
Softcover, Paris: Librairrie Scientifique A. Hermann et Fils, 1912. Good with No dust jacket as issued.
Ephemera, New York: Jemima M. Mason, 1840. American Edition. Good with No dust jacket as issued.
Hardcover, New York: Alfred A. Knopf, 1997. First Edition. Fine in Very Good dust jacket.
Soft Cover, Raleigh, NC: North Carolina Department of Water Resources, 1966. Good with no dust jacket.
Hardcover, Jerusalem: Israel Program Scientific Translations, 1968. Good with no dust jacket.
Hard Cover, Ann Arbor, MI: Ann Arbor-Humphrey Science Publishers, 1970. Good with no dust jacket.
Softcover, Raleigh, N.C. North Carolina Department of Environment, Health and Natural Resources Division of Land Resources, 1995. Reprint. Very Good with No dust jacket as issued.
Softcover, Porto: Edições Fundaçâo Fernando Pessoa, 2005. Very Good with no dust jacket.
Hardcover, New York: Consultants Bureau, 1966. Good with no dust jacket.
Hardcover, New York: Interscience Publishers, 1956. Good with no dust jacket.
Softcover, Raleigh, N.C. Carolina Geological Society, 1971. Very Good with No dust jacket as issued.
Softcover, Raleigh: E. M. Uzzell & Co., 1908. Good with No dust jacket as issued.
Softcover, Raleigh: E. M. Uzzell & Co., 1904. Good with No dust jacket as issued.
Hardcover, Princeton, NJ: Princeton University Press, 1967. Very Good in Very Good dust jacket.
Hardcover, New York: W. W. Norton & Company, 1999. First American Edition; First Printing. Very Good in Very Good dust jacket.