Contains issue of the Eugenics Review with Thomson's Galton lecture, vol. XXXVIII, no. 1, Apr 1946, pp.9-18; issue of the Eugenics Review with Thomson's lecture Intelligence and Fertility, vol.41, no. 4, Jan 1950, pp.163-170; and issue of the Eugenics Review with Dr H T Himmel's article, Intelligence and size of family highlighted, vol. 40, Jul 1948.

Also includes material which possibly relates to the enclosed lectures, such as notes regarding publications, graphs regarding the Scottish Mental Survey, and articles by others which Thomson has collected. The latter includes: Population Problems in the Light of Differential Fertility, by J A Fraser Roberts, from the Eugenics Review; Intelligence and Fertility: the effect of differential birthrate on inborn mental characteristics, by Cyril Burt, Occasional Papers on Eugenics no. 2; Influence of the Social Environment on Intelligence Test Scores, by Julian Blackburn, Occasional Papers of the British Social Hygiene Council , no. 4; The Genetics of Intelligence, by R W Pickford, from the Journal of Psychology, 1949, vol. 28, 129-145pp; Family Size, Intelligence Score and Social Class, by Julian Blackburn, from Population Studies, vol. 1, no. 2, 165-175pp.

The envelope they were initially contained in has been retained, and is titled with Galton, with lists of authors and articles, and letters. Many of these have not survived, while some have been removed from the folder and described separately for ease of description. These are detailed in the related materials section below.