Alfred Russel Wallace: opere
- 1864 The Origin of Human Races and the Antiquity of Man Deduced from the Theory of "Natural Selection", [rif.]
- in: Anthropological Review, 2
- 1870 Contributions to the Theory of Natural Selection. A Series of Essays, Macmillan & Co, London & New York, [rif.]
- 1898 The Wonderful Century. Its Successes and Its Failures, Swan Sonnenschein, London