X-radiograph(s) of "Madonna and Child"

X-radiograph(s) of "Scholar", 1699-1763

Artist of original: (?) Giuseppe Nogari

X-radiograph(s) of "Crowning of the Virgin", c. 1315-1368

Artist of original: School of Orcagna

X-radiograph(s) of "Madonna and Saints", 1492-1527

Artist of original: Domenico Puligo

X-radiograph(s) of "Suzanna", 1606 - 1669

Artist of original: School of Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Portrait of a Man", 1599 - 1660

Artist of original: (?) Diego Rodriguez Velázquez

X-radiograph(s) of "Adoration", 1626-1679

Artist of original: Jan Steen

X-radiograph(s) of "Portrait of a Woman", 1612 - 1695

Artist of original: (?) Pierre Mignard

X-radiograph(s) of "Miracle of St. Nicholas", c. 1370-1427

Artist of original: School of Gentile da Fabriano

X-radiograph(s) of "Crucifix"

X-radiograph(s) of "Herdsmen"

X-radiograph(s) of "Monk", 1598 - 1664

Artist of original: Francisco de Zurbarán

X-radiograph(s) of "George Rogers", 1688 - 1751

Artist of original: Attributed to John Smibert

X-radiograph(s) of "Magdalen"

X-radiograph(s) of "Skull", 1590-1661

Artist of original: Daniel Seghers

X-radiograph(s) of "Two Negroes", 1606 - 1669

Artist of original: (?) Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Figures in Landscape"

X-radiograph(s) of "View of Lambeth"

X-radiograph(s) of "Woman Figure", 1882 - 1935

Artist of original: Gaston Lachaise

Tiger, 1880 - 1916

Franz Marc