Blackstone, Earl Glen <br/><br/>
Improvement of instruction in typewriting. 

 - 2d ed. 
 - New York  Prentice-Hall  1949. 
 - 470 p. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>49000972  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Typewriting