| title | creator | language | description | tableOfContents | contributor | subject | created |
| A Monograph on the Sub-class Cirripedia
With Figures of all the Species. | Darwin, Charles, 1809-1882 | en | | | | | 2010-03-08 |
| More Letters of Charles Darwin — Volume 1 | Darwin, Charles, 1809-1882 | en | | | | Autobiography; Scientists -- Biography; Evolution (Biology) | 2001-07-01 |
| More Letters of Charles Darwin — Volume 2 | Darwin, Charles, 1809-1882 | en | | | | Autobiography; Scientists -- Biography; Evolution (Biology) | 2001-07-01 |
| On the origin of species | Darwin, Charles, 1809-1882 | en | See also PG#2009 for the 6th Edition | | | Evolution (Biology); Natural selection | 1998-03-01 |
| On the origin of species | Darwin, Charles, 1809-1882 | en | See also PG#1228 for the First Edition | | | Evolution (Biology); Natural selection | 1999-12-01 |
| On the Origin of Species by Means of Natural Selection
or the Preservation of Favoured Races in the Struggle for Life. (2nd edition) | Darwin, Charles, 1809-1882 | en | | | | Evolution (Biology); Natural selection | 2007-09-25 |
| The Autobiography of Charles Darwin | Darwin, Charles, 1809-1882 | en | | | | Evolution (Biology) -- History; Naturalists -- England -- Biography; Darwin, Charles, 1809-1882 | 1999-12-01 |
| The Foundations of the Origin of Species
Two Essays written in 1842 and 1844 | Darwin, Charles, 1809-1882 | en | | | Darwin, Francis, Sir, 1848-1925 [Editor] | Natural selection; Evolution (Biology) | 2007-09-22 |
| The Variation of Animals and Plants Under Domestication, Vol. I. | Darwin, Charles, 1809-1882 | en | | | | Plants, Cultivated; Variation (Biology); Domestic animals | 2008-03-27 |
| The Variation of Animals and Plants Under Domestication, Volume II (of 2) | Darwin, Charles, 1809-1882 | en | | | | Domestic animals; Plants, Cultivated; Variation (Biology) | 2009-05-20 |
| The Voyage of the Beagle | Darwin, Charles, 1809-1882 | en | Illustrated edition. See also PG#944 | | | Voyages around the world; Beagle Expedition (1831-1836); Geology -- South America; Natural history; South America -- Description and travel | 2003-02-01 |