Balfour-Browne Frank <br/><br/>
British Water Beetles 

 - London  The Ray Society   1940 
 - xix, 375p. : ill , 21 cm 
 -  Vol. 1 .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science 
<br/><br/><label>Universal Decimal Class. No.: </label>5  / I20