1. Samuel Hynes, The Edwardian Turn of Mind (London: Pimlico, 1991, 1st publ. 1968), 4–5.
2. Ina Zweiniger-Bargielowska, Managing the Body: Beauty, Health, and Fitness in Britain, 1880–1939 (Oxford: Oxford University Press, 2010), 17–148.
3. Richard A. Soloway, Demography and Degeneration: Eugenics and the Declining Birthrate in Twentieth-Century Britain (Chapel Hill, NC: University of North Carolina Press, 1995), 18–38.
4. George Robb, ‘The Way of All Flesh: Degeneration, Eugenics, and the Gospel of Free Love’, Journal of the History of Sexuality, 6 (1996), 589–603.
5. Carolyn Burdett, ‘The Hidden Romance of Sexual Science: Eugenics, the Nation, and the Making of Modern Feminism’, in Lucy Bland and Laura Doan (eds), Sexology in Culture: Labelling Bodies and Desires (Oxford: Polity Press, 1998), 44–59.