Michaelis John U. Ed. <br/><br/>
Teaching units in the social sciences early grades 

 - Chicago  Rand McNally and Company  1966 
 - 172p 
 - New trends in curriculum and instruction series .
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social science - Teaching