X-radiograph(s) of "Profile Portrait"

X-radiograph(s) of "Portrait of a Lady", 1738 - 1815

Artist of original: John Singleton Copley

X-radiograph(s) of "Benjamin Franklin", c. 1707 - c. 1752

Artist of original: Robert Feke

X-radiograph(s) of "Pieta", 1568 - 1625

Artist of original: Jan Brueghel the Elder

X-radiograph(s) of "Pieta", 1568 - 1625

Artist of original: Jan Brueghel the Elder

X-radiograph(s) of "Woman in a Landscape", 1796 - 1875

Artist of original: After Jean-Baptiste-Camille Corot

Inserted Sky Art Conference 2002 information (3 sheets), 1928 - 2014

Otto Piene

Inserted Sky Art Conference 2002 information (3 sheets), 1928 - 2014

Otto Piene

Portrait of a Bearded Man with Arms Crossed, 1815 - 1905

Adolph Menzel

Sketchbook No. 20: Studies for "The Coronation of Napoleon", 1748 - 1825

Jacques-Louis David

X-radiograph(s) of "Boy and Girl", 1571 - 1610

Artist of original: School of Michelangelo Merisi da Caravaggio

X-radiograph(s) of "Mother and Child", 1844 - 1926

Artist of original: Mary Cassatt

X-radiograph(s) of "Landscape"

X-radiograph(s) of "Mother and Children"

X-radiograph(s) of "Columbus"

X-radiograph(s) of "Clement IX", 1639 - 1709

Artist of original: Giovanni Battista Gaulli (Il Baciccio)

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

X-radiograph(s) of "Pieta"

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

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

Artist of original: (?) Giuseppe Nogari