1. Allen G (2014) Origins of the classical gene concept, 1900–1950: genetics, mechanistic, philosophy, and the capitalization of agriculture. Perspect Biol Med 57(1):8–39
2. Bowler P (2003) Evolution: the history of idea. University of California Press, Berkeley
3. Browne J (2002) Charles Darwin. The power of place. Princeton University Press, Princeton
4. Burkhardt F (ed) (2017) The correspondence of Charles Darwin, vol 25. Cambridge University Press, Cambridge
5. Ceccarelli D (2021) Recasting natural selection: Osborn and the pluralistic view of life. In: Delisle RG (ed) Natural selection: revisiting its explanatory role in evolutionary biology. Springer, Cham, pp 171–194