Pei, Mario A. <br/><br/>
The world's chief languages 

 - 3rd ed. 
 - London  George allen  1954 
 - 663 
<br/><br/> Languages for war and peace 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Languages
<br/><br/><label>Dewey Class. No.: </label>400  / PEI