Berry, Brian Joe Lobley 1934 <br/><br/>
A bibliographic guide to the economic regions of the United States: a report oreoared for the Commission on Methods of economic regionalization of the International Geographical Union 

 - Chicago  University of Chicago  1963 
 - xviii,101p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Canada
<br/><br/><label>LC Class. No.: </label>H31.C514