Ellis, J. “Brains Unlimited: Giftedness and Gifted Education in Canada before Sputnik (1957)”. Canadian Journal of Education/Revue Canadienne De l’éducation, vol. 40, no. 2, May 2017, pp. 1-26, https://journals.sfu.ca/cje/index.php/cje-rce/article/view/2407.