Godwin, Joscelyn. <br/><br/>
The mystery of the seven vowels :  in theory and practice / 
by Joscelyn Godwin. 
 - Grand Rapids, MI, USA :  Phanes Press,  1991. 
 - 107 p. :  music ;  22 cm. 
<br/><br/>Includes bibliographical references (p. 103-107). 
<br/><br/><label>ISBN: </label>0933999852 (alk. paper) 0933999860 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vowels--Psychic aspects