TropeaTropea, G. Numismatica Siceliota del Museo, Mandralisca in Cefalù. (Messina, 1901).Numismatics of Sicily in the Mandralisca museum in Cefalù. Available online: http://books.google.com/books?id=AWtCAQAAMAAJ&pg=PA3&lpg=PA3&dq=Tropea,+G.+Numismatica+Siceliota+del+Museo,+Mandralisca+in+Cefal%C3%B9&source=bl&ots=EUu2fmOPfk&sig=Ak6prQfx1Kdnx7dr-tSux24GFHI&hl=en&sa=X&ei=seo1VLEB-IixBOqrguAJ&ved=0CCEQ6AEwAA#v=onepage&q=Tropea%2C%20G.%20Numismatica%20Siceliota%20del%20Museo%2C%20Mandralisca%20in%20Cefal%C3%B9&f=false