Darwin, Charles, 1809-1882 <br/><br/>
On the origin of species / 
by Charles Darwin; with an introduction by Ernst Mayr. 
 - xxvii, 513 pages ;    21 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0674637526 9780674637528 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution.<br/>Natural selection
<br/><br/><label>Dewey Class. No.: </label>576.82