What does it mean to be human? /Author: Potts, Richard,
Publisher: Washington, D.C. : National Geographic,
Date: 2010. This title can be found in 2 Iowa libraries.
The Old World Paleolithic and the development of a national collection /Author: Petraglia, M. D.
Publisher: Washington, D.C. : Smithsonian Contributions and Studies Series,
Date: 2004. This title can be found in 6 Iowa libraries.
Humanity's descent : the consequences of ecological instability /Author: Potts, Richard,
Publisher: New York : Morrow,
Date: c1996. This title can be found in 5 Iowa libraries.
Early hominid activities at Olduvai /Author: Potts, Richard,
Publisher: New York : A. de Gruyter,
Date: 1988. This title can be found in 2 Iowa libraries.
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