Brown Harrison <br/><br/>
Challenge of man's future 
Brown Harrison 
 -  1954 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>57458 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science and man
<br/><br/><label>Dewey Class. No.: </label>A0Y, J4;1