1. On Cavour’s role in the process of Italian national unification and, in general, his life, see especially Rosario Romeo, Vita di Cavour (Rome: Laterza, 1984);
2. and Anthony Cardoza, “Cavour and Piedmont,” in John A. Davis, ed., Italy in the Nineteenth Century, 1796–1900 (New York: Oxford University Press, 2000), 108–131.
3. Cavour’s quote is in Sergio Romano, “Le ultime parole di Cavour sulla Guerra Civile Americana,” Corriere della Sera, May 14, 2011. On Cavour’s last days, see also Rosario Romeo, Cavour e il suo tempo, vol. III: 1854–1861 (Rome: Laterza, 1969);
4. Adriano Viarengo, Cavour (Rome: Salerno, 2010), 474–484;
5. and Italo De Feo, Cavour: L’uomo e l’opera (Milan: Mondadori, 2011), 495–511.