Eiseley, Loren C.,  1907-1977. <br/><br/>
The invisible pyramid / 
by Loren Eiseley. Woodcuts by Walter Ferro. 
 - 173 pages :  illustrations ;  24 cm. 
<br/><br/>Bibliography: p. 159-164. 
<br/><br/><label>LCCN: </label>71123826  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization--Philosophy.<br/>Human beings.<br/>Human ecology.
<br/><br/><label>LC Class. No.: </label>CB19  / .E38 
<br/><br/><label>Dewey Class. No.: </label>523.1