Blak, Nelson Manfred . <br/><br/>
The United States in world Relations /  Textual Documents 
Nelson Manfred Blake and Oscar Theodore Barck. 
 - ist ed / 
 - New York :  McGraw - Hill book company ,  1960. 
 - 840pg ;  20cm. 
<br/><br/><label>Subjects--Index Terms: </label>History-world Relations T/PG-History 
<br/><br/><label>Dewey Class. No.: </label>973  / B 581 Un