Darwin, Charles,  1809-1882 <br/><br/>
The collected papers of Charles Darwin / 
edited by Paul H. Barrett 
 - London :  The University of Chicago Press,  1977 
 - 2 v. ;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution (Biology)<br/>Natural history--Collected works
<br/><br/><label>Dewey Class. No.: </label>575.08