Hyman Henrietta Libble  <br/><br/>
The Invertebrates: Protozoa through Ctenophora  

 - London   McGraw-Hill Book Company   1940  
 - xii, 726p . : ill ; 23 cm  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Protoplasm <br/>Organism <br/>Cell 
<br/><br/><label>Universal Decimal Class. No.: </label>13  / V5