Johnson, Willis H.  1902-1994. <br/><br/>
General biology / 
by Willis H. Johnson; Richard W. Laubengayer and Louis E. DeLanney. 
 - New York :  Henry Holt and Company,  c1956. 
 - x, 618 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical Reference and Index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.
<br/><br/><label>Dewey Class. No.: </label>570  / JOG 1956