Modern methods in elementary education / 
edited by Merle M. Ohlsen. 
 - New York :  Holt, Rinehart and Winston,  c 1961. 
 - xiv, 688 p. :  ill. ;  22 cm. 
<br/><br/>333  333 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education, Elementary.
<br/><br/><label>Dewey Class. No.: </label>372 / O4m