Crannell, Philip Wendell,  1861-1936. <br/><br/>
The survival of the unfit;  powers, principles, and practice in man-making, 

 - New York,  Hodder & Stoughton, George H. Doran company  [c1915] 
 - x, [2], 13-203 p.  20 cm. 
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<br/><br/><label>LCCN: </label>15022531  
<br/><br/><label>LC Class. No.: </label>BV4501  / .C75 1915