X-radiograph(s) of "Annunciation to the Madonna of her Approaching Death"

X-radiograph(s) of "The Virgin Borne to the Sepulchre and small fragment"

X-radiograph(s) of "Portrait of Nicolas Triest, Count d'Auweghem", 1584 - 1669

Artist of original: Gaspar de Crayer

X-radiograph(s) of "Saint Sebastian", c. 1488 - 1576

Artist of original: (?) Titian (Tiziano Vecellio)

X-radiograph(s) of "Untitled (The Cow Jumps over the Moon)", 1904 - 1997

Artist of original: Willem de Kooning

X-radiograph(s) of "Wild Turkey Cock, Hen and Chicks,", 1785 - 1851

Artist of original: John James Audubon

X-radiograph(s) of "Sweetshop, Chelsea", 1834 - 1903

Artist of original: James Abbott McNeill Whistler

X-radiograph(s) of "The Morning Toilet", 1860 - 1920

Artist of original: Anders Leonard Zorn

X-radiograph(s) of "The Sacrifice of Isaac", c. 1490 - 1547

Artist of original: Antonio di Donnino del Mazziere

X-radiograph(s) of "Portrait of Man (Bredius 192)", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "The Lamentation over the Dead Christ", c. 1300 - 1350

Artist of original: Master of the Fogg Pietà

X-radiograph(s) of "Bust of Christ", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Yoho Falls", 1856 - 1925

Artist of original: John Singer Sargent

X-radiograph(s) of "Madonna of Sorrows"

Artist of original: Master of the Stoetteritz Alter

X-radiograph(s) of "Holy Family with St. Catherine of Alexandria and the Young St. John the Baptist", c. 1496 - c. 1528

Artist of original: Giovanni Francesco Penni

X-radiograph(s) of "Still Life With Commode", 1839 - 1906

Artist of original: Paul Cézanne

X-radiograph(s) of "Geraniums", 1869 - 1954

Artist of original: Henri Matisse

X-radiograph(s) of "Still Life With Apples", 1869 - 1954

Artist of original: Henri Matisse

X-radiograph(s) of "Agony in the Garden"

X-radiograph(s) of "Portrait of Madame Paul", 1840 - 1926

Artist of original: Claude Monet