Crowther, Duane S. <br/><br/>
Teaching choral concepts  simple lesson plans and teaching aids for in-rehearsal choir instruction 
Duane S. Crowther. 
 - Bountiful, Utah  Horizon Publishers  c1981. 
 - 447 p.  ill.  24 cm. 
<br/><br/>Bibliography: p. 434-447. 
<br/><br/><label>ISBN: </label>0882901192 
<br/><br/><label>LCCN: </label>79089356 /MN 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Choral singing
<br/><br/><label>LC Class. No.: </label>MT875  / .C78 
<br/><br/><label>Dewey Class. No.: </label>784.9/62