Webster's new twentieth century dictionary of the English language, unabridged / 
based upon the broad foundations Laid Down by Noah Webster 
 - 2a ed. 
 - New York :  Prentice- hall ;  1979. 
 - xiv, 2129, 160 páginas :  ìl. ;  28 cm. 
<br/><br/> Incluye mapas 
<br/><br/><label>ISBN: </label>067141819X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Inglés Diccionarios
<br/><br/><label>LC Class. No.: </label>PE1625  / W56 1979