Preston, Ralph Clausius <br/><br/>
Teaching social studies in the elementary schools 

 - New York  Holt Rinehart and Winston Inc.  1968 
 - xi,370p.  23cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>LC Class. No.: </label>LB1584.P68