Clark, Bertha M. <br/><br/>
Introduction to science 
Bertha M. Clark 
 - New York  American Book Company  1915 
 - 494p.  ill.  18cm 
<br/><br/> Includes Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>General sciences--Textbooks
<br/><br/><label>Dewey Class. No.: </label>500  / CLA