Jacobson, Willaed J; Lauby, Cecilia J <br/><br/>
Abc science series / 
Jacobson, Willaed J; Lauby, Cecilia J 
 -  American Book Company,  1961 
 - p. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sciences of earth & other worlds
<br/><br/><label>Dewey Class. No.: </label>550 JAC-A