Johnstone, Mary A. <br/><br/>
Science in the school garden. 

 - London :  Macmillan,  1951. 
 - xiv, 176 p.  illus.  19 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Horticulture<br/>School gardens<br/>Science--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>635  / JOS 1951