HELWIG, Timothy. Denying the Wages of Whiteness: The Racial Politics of George Lippard’s Working-Class Protest. American Studies, [S. l.], v. 47, n. 3, p. 87–111, 2006. DOI: 10.1353/amsj.v47i3.2922. Disponível em: https://journals.ku.edu/amsj/article/view/2922. Acesso em: 6 apr. 2025.