Heilbroner, Robert L. <br/><br/>
An inquiry into the human prospect :  with "Second thoughts" and "what has posterity ever done for me?" / 
Robert L. Heilbroner. 
 - New York :  Norton,  c1975. 
 - 180 p. ;  21 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0393092178   $2.25 
<br/><br/><label>LCCN: </label>75017643  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization, Modern--1950-<br/>Regression (Civilization)
<br/><br/><label>LC Class. No.: </label>CB428  / .H44 1975 
<br/><br/><label>Dewey Class. No.: </label>909.82