Ballesteros Beretta, Antonio. <br/><br/>
Génesis del descubrimiento 
por Antonio Ballesteros Beretta ; Los portugueses / por Jaime Cortesão. 
 - Barcelona  Salvat Editores  1947. 
 - x, 766 p., [43] leaves of plates  ill., coats of arms, facsims., maps ( some col., part fold.), ports.  25 cm. 
 - Historia de América y de los pueblos americanos .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Discoveries in geography--Portuguese.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>America--Discovery and exploration.