Academia Pro Interlingua <br/><br/>
Primo libro de interlingua 

 - London  Kegan Paul, Trench, Trubner & Company Limited  1931 
 - vii, 168  Pb  18.2cm 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>408.9