Environment and policy:  the next fifty years/ 
Commissioned and edited by William R. Ewald, Jr.  
 - Bloomington,  Indiana University Press   1968. 
 - xiv, 459 p.   25 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>City planning--United States
<br/><br/><label>LC Class. No.: </label>HT167