Sill, William B; Hoss, Norman <br/><br/>
New popular science: Encyclopedia of the sciences 

 -  Grosset & Dunlap, New York 
 - 757 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pure sciences - Dictionaries & encyclopedias
<br/><br/><label>Dewey Class. No.: </label>R 503  SIL-N