David, Robert Alexander,  1900- <br/><br/>
Educational psychology/ 
Robert A. Davis. 
 - 1st ed. 
 - New York:  McGraw-Hill,  1948. 
 - x, 349 p.  diagrs.  24 cm. 
 - McGraw-Hill series in education .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational psychology
<br/><br/><label>LC Class. No.: </label>LB1051