Hogeveen, Brian. “‘The Evils With Which We Are Called to Grapple’: Élite Reformers, Eugenicists, Environmental Psychologists, and the Construction of Toronto’s Working-Class Boy Problem, 1860-1930”. Labour Le Travail, vol. 55, Jan. 2005, pp. 37-68, https://www.lltjournal.ca/index.php/llt/article/view/5365.