Johnson, Willis Hugh. <br/><br/>
Essentials of biology / 
Willis H. Johnson, Louis E. Delanney [and] Thomas A. Cole. 
 - New York :  Holt, Rinehart and Winston,   c1969. 
 - xi, 612 p. :  ill.(some col.) ,14 p. col. plates ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0030710758 (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.