Duckworth-Barker, Vernon,  1908- <br/><br/>
Breakthrough to tomorrow :  the story of international co-operation for development through the United Nations / 
Vernon Duckworth-Barker 
 - New York :  United Nations,  1970. 
 - iii, 70 p. ;  21 cm. 
<br/><br/> United Nations Center for Economic and Social Information. 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>United Nations--Technical assistance.<br/>United Nations--Economic assistance.
<br/><br/><label>Dewey Class. No.: </label>338.91  / DUB 1970