. "Tronzo" . . . . . "1951"^^ . . . . . "Historien d'art" . "The cultures of his kingdom : Roger II and the Capella palatina in Palerma / William Tronzo, 1997. - . - LCNA (CD), 1996-06. - . -"@fr . "2013-07-30" . "William Tronzo"@fr . . . . "Historien d'art"@fr . "1990-02-21" . "12739004"^^ . . . . "Historien d'art" . . . . . . . . "2013-07-29"^^ . . . . . . . . . . . . . . . . "VIAF" . "William Tronzo" . . "William" . . "0000000109092456" .