Pei, Mario <br/><br/>
How to learn languages and what languages to learn 
by Mario Pei. 
 - [1st ed.] 
 - New York  Harper & Row  [1966] 
 - x, 245 p.  22 cm. 
<br/><br/> 921004 
<br/><br/><label>LCCN: </label>66010649 //r85 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Study and teaching.
<br/><br/><label>LC Class. No.: </label>P53  / .P38 
<br/><br/><label>Dewey Class. No.: </label>407