Curtis, Helena. <br/><br/>
Biology. 

 - [New York  Worth Publishers  1968] 
 - xvii, 854 p.  illus. (part col.), ports. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>LCCN: </label>68018187  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>LC Class. No.: </label>QH308  / .C83 
<br/><br/><label>Dewey Class. No.: </label>574