Mcspadden, J. Walker  1874-1960 <br/><br/>
How they blazed the way :  men who have advanced civilization / 
by J. Walker Mcspadden 
 - New York :  Dodd, Mead,  c1960 
 - xi, 284 p. :  ill., plates ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label> USD 4.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Scientists--Biography<br/>Inventors--Biography
<br/><br/><label>Dewey Class. No.: </label>925