Spears Harold <br/><br/>
Some principles of teaching. 

 -  1950 
<br/><br/><label>Standard No.: </label>53852 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>T, J0