Man and His Ancestors (Little Blue Book No. 13).
Soft Cover, Girard: Haldeman-Julius, 1923. Good with no dust jacket.
Soft Cover, Girard: Haldeman-Julius, 1923. Good with no dust jacket.
Hard Cover, Woodbury, New York: American Institute of Physics`, 1999. Very Good with no dust jacket.
Softcover, Durham, N. C. Duke University, 1971. Very Good with No dust jacket as issued.
Softcover, Durham, N. C. Duke University, 1969. Very Good with No dust jacket as issued.
Ephemera, New York: Munn & Co., Inc., Publishers, 1918. Poor with no dust jacket.
Ephemera, Bruxelles: N.p., 1963. Very Good with no dust jacket.
Illustrated by Sara Northerner and Pat Unger. Softcover, Logan, Utah: Utah State University, 2004. Very Good with No dust jacket as issued.
Ephemera, Raleigh, N.C. Carolina Geological Society, 1962. Good with No dust jacket as issued.
Softcover, Raleigh, N.C. North Carolina Department of Conservation and Development, Division of Mineral Resources, 1960. Good with No dust jacket as issued.
Softcover, Paris: Éditions Jacques Gabay, 1990. Facsimile Reprint. Very Good with no dust jacket.
Softcover, São Paulo: EDUC, 1987. Very Good with no dust jacket.
Softcover, Paris: Société Géologique de France, 1960-1962. Good with no dust jacket.
Hardcover, New York: Viking Press, 2003. First Edition; First Printing. Very Good in Very Good dust jacket.
Softcover, Grand Junction, Colorado: Bendix Field Engineering Corporation, 1982. Very Good with No dust jacket as issued.
Softcover, Durham, N. C. Duke University, 1975. Very Good with No dust jacket as issued.
Hard Cover, London: Methuen & Co., 1966. Very Good in Good dust jacket.
Soft Cover, Cambridge: Museum of Comparative Zoology, Harvard, 1952. Very Good with no dust jacket.
Softcover, Raleigh: Mitchell Printing Company, 1925. Very Good with No dust jacket as issued.
Softcover, Chicago: Joint Publication Board of Zygon, 2000. Fine with no dust jacket.
Binder, Washington, D. C. United States Department of the Interior Geological Survey, 1954. Good with No dust jacket as issued.
Hardcover, New York: Free Press, 1999. Second Printing. Fine in Fine dust jacket.
Hard Cover, London, UK: Edward Arnold Publishers Ltd., 1927. Reprint. Good with no dust jacket.
Hardcover, St. Louis: Christian Publishing Company, 1897. Good with no dust jacket.
Softcover, Paris: Éditions Jacques Gabay, 1989. Facsimile Reprint. Very Good with no dust jacket.
Ephemera, Washington, D.C. National Geographic Society, 1953. Good with No dust jacket as issued.