^Acton, Harold. The Bourbons of Naples (1731-1825). London: Faber and Faber. 1957. ISBN 9780571249015.
^A new guide of Naples, its environs, Procida, Ischia and Capri: Compiled ...By Giovanni Battista de Ferrari and Mariano Vasi. 1826. Tipografia de Porcelli, Naples. Page 257. [1] (页面存档备份,存于互联网档案馆)