- Royal Heads of State
- The Kingdom of the Two SiciliesFerdinand I of Bourbon 1815–1825Francis I of Bourbon 1825–1830Ferdinand II of Bourbon 1830–1859Francis II of Bourbon 1859–1860Kingdom of SardiniaVictor Emmanuel I 1814–1821Charles Felice 1821–1831Charles Albert 1831–1849Victor Emmanuel II 1849–1861Kingdom of ItalyVictor Emmanuel II 1861–1878Humbert I 1878–1900Victor Emmanuel III 1900–1946Humbert II May–June 1946Il Giornale, Diario d’Italia, 1994.
Historical Dictionary of Modern Italy. Mark F. Gilbert & K. Robert Nilsson. 2007.