Haslett, A W . <br/><br/>
Science News VII /  Textual Documents 
A W Haslett. 
 - na / 
 - Na :  Na ,  1948. 
<br/><br/><label>Subjects--Index Terms: </label>Science T/G/Sc 
<br/><br/><label>Dewey Class. No.: </label>505  / Ha 27 Sc