LINSTROMBERG, Robin; BALLOWE, James. Thoreau and Etzler: Alternative Views of Economic Reform. American Studies, [S. l.], v. 11, n. 1, p. 20–29, 1970. DOI: 10.1353/amsj.v11i1.2460. Disponível em: https://journals.ku.edu/amsj/article/view/2460. Acesso em: 13 apr. 2025.