A companion to Piers Plowman / 
Editor : John A. Alford. 
 - Berkeley :  University of California Press,  1988. 
 - xii, 286 p. :  ill., map ;  23 cm. 
 - 821/.1 .
<br/><br/>Includes bibliogr. references and index. 
<br/><br/><label>ISBN: </label>0520060067 (alk. paper) 0520060075 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Personal Names: </label><br/>Langland, William, 1330?-1400? 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Christian poetry, English (Middle)--History and criticism.
<br/><br/><label>Dewey Class. No.: </label>821/.1