Keller Franklin J <br/><br/>
Principles of vocational education    the primary of the person 
Keller Franklin J 
 -  1948 
<br/><br/><label>Standard No.: </label>149,231 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T:855, H8