1. 1866Fecundity, Fertility, Sterility and Allied TopicsAdam and Charles BlackEdinburgh
2. 1907A First Study of the Statistics of Insanity and the Inheritance of the Insane DiathesisCambridge University PressLondon
3. 1907A First Study of the Statistics of Pulmonary TuberculosisDulau & Co.London
4. —- 1914 On the Handicapping of the First-Born. Cambridge University Press, London.