Comstock, Anna Botsford. <br/><br/>
Handbook of nature study / 
Anna Botsford Comstock. 
 - Dhaka :  Comstock publishing,  c 1939. 
 - viii, 908 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Bibliography :  p. 864-908. 
<br/><br/>324  324 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Nature study.
<br/><br/><label>Dewey Class. No.: </label>574 / C739h