- At the Deathbed of Darwinism: A Series of PapersAuthor: Eberhard Dennert, O'Harra, Edwin V. [Translator], Peschges, John H. [Translator]Language: English
- Contributions to the Theory of Natural Selection: A Series of EssaysAuthor: Alfred Russel WallaceLanguage: English
- Darwiniana; Essays and Reviews Pertaining to DarwinismAuthor: Asa GrayLanguage: English
- Darwinism (1889): An exposition of the theory of natural selection, with some of its applicationsAuthor: Alfred Russel WallaceLanguage: English
- De l'origine des espècesAuthor: Charles DarwinLanguage: French
- Luck, or Cunning, as the Main Means of Organic ModificationAuthor: Samuel ButlerLanguage: English
- On the Origin of Species by Means of Natural Selection: or the Preservation of Favoured Races in the Struggle for Life. (2nd edition)Author: Charles DarwinLanguage: English
- On the Origin of Species By Means of Natural Selection: Or, the Preservation of Favoured Races in the Struggle for LifeAuthor: Charles DarwinLanguage: English
- The Foundations of the Origin of Species: Two Essays written in 1842 and 1844Author: Charles Darwin, Darwin, Francis, SirLanguage: English
- The Origin of Species by Means of Natural Selection: Or, the Preservation of Favoured Races in the Struggle for Life, 6th EditionAuthor: Charles DarwinLanguage: English