Sumner, William Leslie, 1904- <br/><br/>
The organ :  its evolution, principles of construction and use. 

 - London :  Macdonald,  [c1962] 
 - xiv, 544 p. front illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Organ-Hist
<br/><br/><label>LC Class. No.: </label>786.6  / Su66