Research in the three R's /  
edited by C. W. Hunnicutt and William J. Iverson. 
 - New York  :   Harper and brothers,   c 1958. 
 - xvi, 446 p. ;  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>340  340 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education--Research.
<br/><br/><label>Dewey Class. No.: </label>370 / H91r