Changes in trade restrictions between Canada and the United States: by constant Southworth and W.W. Buchanan 
by National Planning Association 
 - Washington, D.C  National Planning Association  1960 
 - 65p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Buchanan, W.W.<br/>Southworth, Constant<br/>Commercial Policy - Canada<br/>Commercial Policy - USA
<br/><br/><label>Dewey Class. No.: </label>T394x73 N213