H. Lucas, “90 years of freedom - after summerhill: what happened to the pupils of britain’s most radical school”, EIAE.RH, vol. 3, nº 2, p. 33–38, jan. 2017, Acesso em: jul. 09, 2026. Disponível em: https://revistahipotese.editoraiberoamericana.com/revista/article/view/258