Fairservis, Walter Ashlin,  1921- <br/><br/>
The threshold of civilization :  an experiment in prehistory / 
by Walter A. Fairservis, Jr. 
 - New York :  Scribner,  1975 
 - xii, 256 p. :  illus. ;  24 cm. 
<br/><br/>Bibliography: p. 241-247. 
<br/><br/><label>ISBN: </label>068412775X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Man, Prehistoric<br/>Civilization--History