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ARMSTRONG, Edward. Elisabeth Farnese: "The Termagent of Spain". New York: Longmans, Green, 1892. Dostupné online. S. 1. (anglicky) [dále jen Elisabeth Farnese].
ACTON, Harold. The Bourbons of Naples (1734–1825). London: Methuen, 1956. Dostupné online. S. 13. (anglicky) [dále jen The Bourbons of Naples].
worldcat.org
SOLARI, Giovanna. The House of Farnese: A Portrait of a Great Family of the Renaissance. New York: Doubleday, 1968. Dostupné online. OCLC610395429 S. 259. (anglicky) [dále jen The House of Farnese].