Rehder, Harald Alfred.  <br/><br/>
The Audubon Society :  field guide to North American Seashells / 
Harald Alfred Rehder ; James H Carmichael. 
 - New York :  Knopf,  1981. 
 - 894 p. :  705 ill. ;  19 cm. 
 - The Audubon Society field guide ser. .
 - 594.12 (NLA) .
<br/><br/><label>ISBN: </label>0394519132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bryozoa--snails
<br/><br/><label>Universal Decimal Class. No.: </label>594.12 (NLA)