Gregor, Howard F. <br/><br/>
Environment and economic life / 
Howard F. Gregor 
 - Princeton:  Van Nostrand,  1963 
 - xiv, 498p.;  26 cm 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economic history<br/>Environment
<br/><br/><label>Dewey Class. No.: </label>330.9  / GRE