Pei, Mario A. <br/><br/>
World's chief languages : formerly languages for war and peace. 

 - London  Gorge Allen and Unwin Ltd.  1954 
 - 663p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pv1
<br/><br/><label>Dewey Class. No.: </label>Pv1  / I4