1. Gramsci A. Quaderni del carcere (Einaudi, Milano, 1975)
2. Baldwin P. Contagion and the State in Europe 1830 -1930 (Cambridge University Press, Cambridge, 2004).
3. Letter from the Peninsular & Oriental Agent to the Italian Ministry of the Interior, Feb. 27, 1900. Archivio Centrale dello Stato (henceforth, ACS), Ministero dell’Interno (henceforth, MININT), DGSP, Box 973.
4. Echenberg M. J., Plague Ports: the Global Urban Impact of Bubonic Plague, 1894-1901 (NYU Press, New York, 2007)
5. ACS, MININT, DGSP, Box 973.