"Attribuzione di autorialità, fotografia \"Frick Art Reference Library , Titian (copy of). Portrait of a lady, said to be Laura de' Dianti, with a blackamoor boy. Baron von Lipperheide collection. Berlin.\": Frick Art Reference Library"@it . . "Authorship attribution: Frick Art Reference Library"@en . . "Authorship attribution, photograph \"Frick Art Reference Library , Titian (copy of). Portrait of a lady, said to be Laura de' Dianti, with a blackamoor boy. Baron von Lipperheide collection. Berlin.\": Frick Art Reference Library"@en . . . . "timbro" . "Attribuzione di autorialità: Frick Art Reference Library"@it . .