Preston, Ralph Clausius <br/><br/>
Teaching social studies in the elementary school 
Ralph C. Preston [and] Wayne L. Herman, Jr. 
 - 5th ed. 
 - New York  Rinehart and Co.  1981. 
 - vi, 584 p.  illus. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Study and teaching (Elementary).