Correspondence of charles darwin  V.1 
ed. by F. Burkhardt, S. Smith. 
 - Cambridge  Cambridge University Press  1985 
 - xiii, 702p. 
<br/><br/><label>ISBN: </label>0521255872 
<br/><br/><label>Dewey Class. No.: </label>575.00924  / N85.1;1