"Authorship attribution: The Metropolitan Museum of Art"@en . "Authorship attribution, photograph \"The Metropolitan Museum of Art , Italian, Piedmonte Painters, Unknown, Madonna and Child (fragment)\": The Metropolitan Museum of Art"@en . . "Attribuzione di autorialità: The Metropolitan Museum of Art"@it . . . . . "Attribuzione di autorialità, fotografia \"The Metropolitan Museum of Art , Italian, Piedmonte Painters, Unknown, Madonna and Child (fragment)\": The Metropolitan Museum of Art"@it . "numero di inventario" . .