Clark, J. S. “The Development of Civic Education in the United States, 1880-1930: Continuity and/Or Change (Bilingual Edition: English/Portuguese)”. Cadernos De História Da Educação, vol. 15, nº 1, junho de 2016, p. 40-107, https://seer.ufu.br/index.php/che/article/view/34628.