1. Barnes J (1998) Les penseurs préplatoniciens. In: Canto-Sperber M (ed) Philosophie grecque, 2e edn. Presses Universitaires de France, Paris, pp 3–88
2. Bartholomew M (1975) Huxley’s defence of Darwin. Ann Sci 32:525–535
3. Beatty J (1985) Speaking of species: Darwin’s strategy. In: Kohn D (ed) The Darwinian heritage. Princeton University Press, New Jersey, pp 265–281
4. Bowler PJ (1986) Theories of human evolution: a century of debate, 1844–1944. Johns Hopkins University Press, Baltimore
5. Bowler PJ (1996) Life’s splendid drama: evolutionary biology and the reconstruction of life’s ancestry, 1860–1940. University of Chicago Press, Chicago