Schneider, Herman <br/><br/>
Science in Our World 5 

 - 3rd ed.; 
 - Boston:  D.C. Heath and Company,  1965. 
 - 147p.;  col.ill.  24cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Primary Education
<br/><br/><label>Dewey Class. No.: </label>372.3  / SCH