Jacobson Willard, J <br/><br/>
New elementary school science / 
by Willard J. Jacobson. 
 - New York :  Van Nostrand Reinhold Co.,  1970. 
 - ix, 579p. :  illus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science
<br/><br/><label>Dewey Class. No.: </label>372.3/5