X-radiograph(s) of "Portrait of Old Man (copy)", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Self-Portrait (female portrait underneath)", 1606 - 1669

Artist of original: Rembrandt Harmensz. van Rijn

X-radiograph(s) of "William Stoughton"

X-radiograph(s) of "Calumny", 1444/45 - 1510

Artist of original: Sandro Botticelli (Alessandro Filipepi)

X-radiograph(s) of "Gethsemane"

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

X-radiograph(s) of "Portrait of M. de Nogent", 1780 - 1867

Artist of original: Jean-Auguste-Dominique Ingres

X-radiograph(s) of "The Golden Age", 1780 - 1867

Artist of original: Jean-Auguste-Dominique Ingres

X-radiograph(s) of "Head of Virgin", 1494 - 1557

Artist of original: Pontormo (Jacopo Carrucci da Pontormo)

X-radiograph(s) of "Nativity"

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

X-radiograph(s) of "Franklin House Wall Panel"

X-radiograph(s) of "Madonna and Child and Sts. Catherine and Barbara"

X-radiograph(s) of "Self-Portrait", 1834 - 1903

Artist of original: James Abbott McNeill Whistler

X-radiograph(s) of "The Little White Sofa", 1834 - 1903

Artist of original: James Abbott McNeill Whistler

Small Dragon in Foliage

Ottoman

An Amorous Princely Couple

Indian

Tailpiece, 1872 - 1898

Aubrey Vincent Beardsley

Johann Gaspar Spurzheim (1776-1832), 1792 - 1863

Alvan Fisher

Two Girls on a Cliff, 1836 - 1910

Winslow Homer