Brainerd, John W.,  1918- <br/><br/>
Nature study for conservation :  A handbook for environmental education / 
John W. Brainerd. 
 - New York :  MacMillan,  1971. 
 - xiii, 352 p. :  ill. ;  24 cm. 
<br/><br/> "Sponsored by the American Nature Study Society." 
<br/><br/>Bibliogr.: p. 327-340. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation of natural resources--Study and teaching.