Is there an optimum level of population? 
Edited by S. Fred Singer. 
 - New York  McGraw-Hill  [1971] 
 - xiv, 426 p.  illus.  24 cm. 
<br/><br/> "A Population Council book."  "Outgrowth of a symposium held in Boston in December 1969 as part of the annual meeting of the American Association for the Advancement of Science." 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070574715 
<br/><br/><label>LCCN: </label>76177375 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population--Addresses, essays, lectures.
<br/><br/><label>LC Class. No.: </label>HB851  / .I8 
<br/><br/><label>Dewey Class. No.: </label>301.3/2