Roberts, Roy W. <br/><br/>
Vocational and practical arts education  history, development, and principles 
Roy W. Roberts. 
 - New York  Harper and Brothers  [1957] 
 - x, 637 p.  illus. 
 - Exploration series in education .
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational Education