Johnson Earl S. <br/><br/>
Theory and practice of social studies   

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 - New York  Macmillan  1956 
 - 476 p.  24 cm. 
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<br/><br/>  Social Sciences, Behavioral Sciences 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Behavioral Sciences<br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>300  / JOH