Lindgren, Henry Clay  1914- <br/><br/>
Educational psychology in the classroom / 
Henry Clay Lindgren. 
 - 3rd ed. 
 - New York:   Wiley,   1967.  
 - 686 p. :  ill. ;  25 cm. 
<br/><br/>Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology
<br/><br/><label>Dewey Class. No.: </label>370.15