Bell Earl H <br/><br/>
Social foundation of human behavior Introducitn to 

 -  1961 
 - Harper's Social Sciences Series, ed by F Stuart Chapin .
<br/><br/><label>Source: </label> General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scinentific method
<br/><br/><label>Dewey Class. No.: </label>Y:Sn13, K1