Hart, John S.  1810-1877 <br/><br/>
In the School-Room :  Chapters in the Philosophy of Education  [electronic resource] / 
John S. Hart 
 -  Project Gutenberg,  2010 
 - Project Gutenberg  31067 .
<br/><br/> Public domain in the USA. 
<br/><br/>Electronic text 
<br/><br/><label>Subjects--Index Terms: </label>Teaching 
<br/><br/><label>LC Class. No.: </label>LB