X-radiograph(s) of "Cows at Harbor"

X-radiograph(s) of "Bronze : Louistan Axe Head"

X-radiograph(s) of "Landscape", 1714 - 1782

Artist of original: Richard Wilson

X-radiograph(s) of "Landscape: lower left corner", 1714 - 1782

Artist of original: Richard Wilson

X-radiograph(s) of "Portrait of a Man", 1607 - 1674

Artist of original: Jan Lievens

X-radiograph(s) of "Portrait of a Woman", 1597 - 1681

Artist of original: Justus Suttermans

X-radiograph(s) of "Portrait of a Man", 1776 - 1837

Artist of original: John Constable

X-radiograph(s) of "Self-Portrait", 1602 - 1674

Artist of original: Philippe de Champaigne

X-radiograph(s) of "3 River Landscapes", 1603 - 1677

Artist of original: Aert van der Neer

X-radiograph(s) of "Portrait of a Boy", 1884 - 1920

Artist of original: (?) Amedeo Modigliani

X-radiograph(s) of "Levi Woodbury", 1801 - 1846

Artist of original: Henry Inman

X-radiograph(s) of "Greek Pot and P. Bronze"

X-radiograph(s) of "Russian Icon"

X-radiograph(s) of "Oil Painting", 1503 - 1540

Artist of original: Parmigianino

X-radiograph(s) of "Self-Portrait", 1738 - 1820

Artist of original: Benjamin West

X-radiograph(s) of "Portrait of a Woman", c. 1460 - 1523

Artist of original: (?) Gerard David

X-radiograph(s) of "Portrait of Marshall", 1783 - 1872

Artist of original: Thomas Sully

X-radiograph(s) of "Cradled Panel", c. 1400 - 1461

Artist of original: Domenico Veneziano

X-radiograph(s) of "Allegory", c. 1450 - 1516

Artist of original: Hieronymus Bosch

X-radiograph(s) of "Portrait of a Woman", 1624 - 1687

Artist of original: Bernhard Keil known as Monsù Bernardo