Letter of undertaking    Portes project    

 - New York  IDA USA          1979 
 - 5p.  cm. 
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Foreign Loan
<br/><br/><label>Dewey Class. No.: </label>X755-65291:(Z,3), K6.33-2