Adams, Alexander B. <br/><br/>
Eternal quest :  the story of the great naturalists / 
by Alexander B. Adams. 
 - New York :  Putnam,  1969. 
 - 509 p. :  ill. ;  23cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Naturalists--Biography.