Books about Evolution (sorted alphabetically)
- Meaning of Evolution Samuel Christian Schmucker
- Mechanico-Physiological Theory of Organic Evolution Carl Nägeli
- Mental Evolution in Man: Origin of Human Faculty George John Romanes
- Moses, not Darwin B. G. Johns
- Mr. Gladstone and Genesis Thomas Henry Huxley
- New Optimism H. De Vere Stacpoole
- Old Riddle and the Newest Answer John Gerard
- On the Method of Zadig Thomas Henry Huxley
- Other Side of Evolution: Its Effects and Fallacy Alexander Patterson
- Philosophy of Evolution Stephen H. Carpenter
- Physics and Politics, or, Thoughts on the application of the principles of "natural selection" and "inheritance" to political society Walter Bagehot
- Q. E. D., or New Light on the Doctrine of Creation George McCready Price
- Riddle of the Universe at the close of the nineteenth century Ernst Haeckel
- Rise and Progress of Palaeontology Thomas Henry Huxley
- Scientific Evidences of Organic Evolution George John Romanes
- Socialism and Modern Science (Darwin, Spencer, Marx) Enrico Ferri
- Socialismo y ciencia positiva (Darwin-Spencer-Marx) (Spanish) Enrico Ferri
- Theories of Darwin and Their Relation to Philosophy, Religion, and Morality Rudolf Schmid
- Time and Change John Burroughs
- Unconscious Memory Samuel Butler
- Universal Kinship J. Howard Moore
- Was Man Created? Henry A. Mott
- Welträtsel: Gemeinverständliche Studien über Monistische Philosophie (German) Ernst Haeckel
- Whence and the Whither of Man John M. Tyler
- Yellowstone-Park (Dutch) Hugo de Vries