Heerema, Elmer. <br/><br/>
Progressive class piano :  a practical approach for beginners / 
by Elmer Heerema. 
 - 2nd ed. 
 - Northbridge :  Califonia state Univ,  c1984. 
 - 342  p. :  ill. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Piano-methods--Group instruction.
<br/><br/><label>LC Class. No.: </label>MT222  / .H35