X-radiograph(s) of "Youth's Portrait", active 1506-1512

Artist of original: Girolamo da Udine

X-radiograph(s) of "Gov. Bowdoin, two versions", 1770 - 1845

Artist of original: (?) Henry Sargent

X-radiograph(s) of "Three Girls", 1807 - 1876

Artist of original: Narcisse Virgile Diaz de la Peña

X-radiograph(s) of "Duchesse of Alba", 1746 - 1828

Artist of original: After Francisco José de Goya y Lucientes

X-radiograph(s) of "Self-Portrait with a Bandaged Ear and Pipe", 1853 - 1890

Artist of original: After Vincent van Gogh

X-radiograph(s) of "St. Dominic", active ca. 1250 - 1300

Artist of original: Guido da Siena

X-radiograph(s) of "Portrait of Dublin-Tornelle", 1749 - 1803

Artist of original: Adélaïde Labille-Guiard

X-radiograph(s) of "Portrait of Maria Isabelle", 1746 - 1828

Artist of original: After Francisco José de Goya y Lucientes

X-radiograph(s) of "Mrs. Vassal", c. 1725 - 1787

Artist of original: Joseph Blackburn

Genesis I, 1880 - 1916

Franz Marc

The Wood Chopper (Le coup de grace), 1853 - 1918

Ferdinand Hodler

Two Old Men, 1853 - 1918

Ferdinand Hodler

Portrait of a Lady with Flowers

Indian

Maharao Durjan Sal of Kota Plaiting Krishna's Hair

Attributed to The Kota Master

Token Design for the Société L'H: AMICITIA MUSARUM DONIS DECORA, 1698 - 1762

Studio of Edme Bouchardon

X-radiograph(s) of "Interior"

X-radiograph(s) of "Madonna and Child", 1420 - 1475

Artist of original: Follower of Dieric Bouts

X-radiograph(s) of "Miniature"

X-radiograph(s) of "Crucifixion"

X-radiograph(s) of "St. Jerome", c. 1460 - 1530

Artist of original: School of Quentin Metsys