CUMMINGS, Sherwood. MARK TWAIN AND THE SIRENS OF PROGRESS. American Studies, [S. l.], v. 1, n. 2, p. 17–24, 1960. DOI: 10.1353/amsj.v1i2.2120. Disponível em: https://journals.ku.edu/amsj/article/view/2120.. Acesso em: 5 may. 2024.