Eugenics Laboratory Lectures number 13: Pearson, Karl. 1921. Side Lights on the Evolution of Man; Being a Lecture Delivered at the Royal Institution, Friday, May 14, 1920 (London: Cambridge University Press). 27 pp.
This paper draws on material published in the Drapers’ Company Research Memoirs. Series B. Biometric Series, number 10 and 11 by Karl Pearson and Julia Bell.
Eugenics Laboratory Lectures number 13
Pearson, Karl. 1921. Side Lights on the Evolution of Man (HathiTrust)