Olsen, Erling <br/><br/>
International Trade Theory And Regional Income Differences  : United States 1880-1950 
/ by Erling Olsen 
 - London:  North-Holland Publishing Company,  1971. 
 - xv,221p. 
<br/><br/><label>ISBN: </label>0720431700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>International Trade
<br/><br/><label>Dewey Class. No.: </label>382.104  / OLS/I