Morison, Samuel Eliot. <br/><br/>
History of United States Naval Operations in World War II: The Battle of the Atlantic /  

 - Reprinted 1966 /  
 - Boston :   Little, Brown and Company. 
 - p.434,lxii :  
<br/><br/><label>Dewey Class. No.: </label>V73:19(ZM)(MV45)`N45<-N39  / H7.1