Crawford, Thomas J.,  1877-1955. <br/><br/>
The Crawford system of keyboard harmony and transposition;  a simple, practical and comprehensive approach with numerous original melodies and basses for practice, 

 - [n.p.,  n.d.] 
 - p. cm. 
<br/><br/><label>LCCN: </label>unk84110941  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Keyboard harmony.<br/>Transposition (Music)
<br/><br/><label>LC Class. No.: </label>MT224.C85  / C7