Preston, Ralph Clausius <br/><br/>
Teaching social studies in the elementary school; by Ralph C. Preston and Wayne L. Herman, Jr.   

 - 4th. ed. 
 - New York  Holt, Rinehart and Winston  1974 
 - vi, 584 p. 
 -   .
<br/><br/><label>ISBN: </label>
<br/><br/><label>Dewey Class. No.: </label>372.83044  / P939