1. Elizabeth. Adams Daniels, Jessie White Mario: Risorgimento Revolutionary (Athens, OH: Ohio University Press, 1972).
2. Marcus Braun and “White Slavery”
3. Sonia. Amarena, Donne mazziniane, donne repubblicane (Imola (BO): Santerno, 2003).
4. Michele. Amari, Memoria sugli zolfi siciliani (1842) ed.T. Vittorio (Palermo: Gelka, 1990).
5. Emmanuel. Arghiri, Unequal Exchange: A Study of the Imperialism of Trade. (New York: Monthly Review Press, 1972).