Preston, Ralph Clausius,  1908- <br/><br/>
Teaching social studies in the elementary school 
/ by Ralph C. Preston and Wayne L. Herman, Jr 
 - 4th ed. 
 - Rinehart and Winston, New York  Holt  1974 
 - vi, 584 p. :  ill,. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0030855144 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Study and teaching (Elementary)