Pei, Mario A. . <br/><br/>
The World`s Chief Languages /  Textual Documents 
Mario A. Pei. 
 - 3rd ed. / 
 - London :  George Allen and Unwin Ltd ,  1961. 
 - 663p. :  ill. ;  22cm . 
<br/><br/>Index 
<br/><br/><label>Subjects--Index Terms: </label>English-Language 
<br/><br/><label>Dewey Class. No.: </label>400  / P 35 W