Weaver H G <br/><br/>
Main spring of human progress 

 - N York   Economic Education       1953 
 - 287p.  cm. 
<br/><br/><label>Standard No.: </label>30,723 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>ENGLISH LITERATURE
<br/><br/><label>Dewey Class. No.: </label>O111,3M98,1, J3