Enciclopedia universal ilustrada 
director general, Luis Rodrigo Martínez ; prólogo general Julián Marías. 
 - Bilbao  Editorial Cantábrica  1985. 
 - v.  ill. 
<br/><br/> Based in part on the American people encyclopedia.  Same as : Gran enciclopedia del mundo. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries , Spanish.