Lass, Roger <br/><br/>
old English Phonology 
/ by Roger Lass 
 - London:  Cambridge University Press,  1975. 
 - xv, 326p.; 
<br/><br/><label>ISBN: </label>052120531-X 
<br/><br/><label>Dewey Class. No.: </label>414  / LAS/O