Howkins, Layton S. <br/><br/>
Development of vocational education /    
by Layton S.Howkins, Charle s A. Prosser, John C. Wroght. 
 - Chicago :   American Technical Society,   1951. 
 - ix, 656 p. ;    22 cm. 
<br/><br/>  Includes index. 
<br/><br/><label>Dewey Class. No.: </label>370.113 HOW