Eby, George S, et al. <br/><br/>
Physical sciences / 
Eby, George S, et al. 
 -  Ginn & Co., Boston,  1951 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical sciences
<br/><br/><label>Dewey Class. No.: </label>500.2 EBY-P