Keller, John Esten <br/><br/>
Gonzalo de Berceo / 
John Esten Keller 
 - New York :  Twayne Publishers,  c1972 
 - 198 p. ;  20 cm. 
 - Twayne's world authors series, TWAS 187. Spain .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 17.95 
<br/><br/><label>Subjects--Personal Names: </label><br/>Berceo, Gonzalo de, 13th cent. --Criticism and interpretation
<br/><br/><label>Subjects--Topical Terms: </label><br/>Civilization, Medieval, in literature
<br/><br/><label>Dewey Class. No.: </label>861.1