Needham, James George,  1865-1956- <br/><br/>
A guide to the study of fresh-water biology / 
James G. Needham. 
 - San Francisco :  Holden-day,  1962. 
 - 107 p. :  illus. ;  23 cm. 
<br/><br/> Open access. 
<br/><br/><label>LCCN: </label>6220742  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Freshwater biology.<br/>Aquatic insects.