Humboldt, Wilhelm von <br/><br/>
Linguistic variability and intellectual development 

 - Philadelphia  University of Pennsylvania Press  1971 
 - 296 p. 
 - Linguistics. Anthropology .
<br/><br/> Translated by George c. Buck and Frithjof A. Raven 
<br/><br/><label>ISBN: </label>081221028X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>LINGUISTICA<br/>ESTRUCTURAS LINGUISTICAS<br/>MORFOLOGIA DEL LENGUAJE