Duncan, Otis Dudley. <br/><br/>
Metropolis and region / 
by Otis Dudley Duncan ... (et al.). 
 - Baltimore :  Published for Resources for the Future by Johns Hopkins Press,  1960. 
 - xviii, 587 p. :  ill. ;  24 cm. 
<br/><br/>Bibliography : p. 561-575. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cities and towns--United States.<br/>Metropolitan areas--United States.