Caldwell, Otis William,  1869-1947 <br/><br/>
Elements of general science / 
by Otis William Caldwell and William Lewis Eikenberry 
 - Rev. ed. 
 - Boston :  Ginn,  c1918 
 - xii, 404 p. :  il. ;  21 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>502