Smith, Earl L <br/><br/>
Yankee genius :  a biography of Roger W. Babson, pioneer in investment counseling and business forecasting who capitalized on investment patience / 
by Earl L Smith. 
 - New York :  Harper & Brothers, Publishers,  1954. 
 - 298 pages :  ill. ;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Personal Names: </label><br/>Babson, Roger Ward, 1875-1967