Hildreth Gertrude <br/><br/>
Learning the three R'S 

 - 2 
 - Minneapolis    Education Publishers, Inc  1947 
 - xi,897p 
 - Cumberland education series .
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Elementary Education