X-radiograph(s) of "Martyrdom of a Saint", c. 1611-1678

Artist of original: (?) Sebastiano Mazzoni

X-radiograph(s) of "Madonna and Child", c. 1459 - 1516

Artist of original: Type of Giovanni Bellini

X-radiograph(s) of "Portrait of a Boy", 1751 - 1801

Artist of original: Ralph Earl

X-radiograph(s) of "Madonna and Child", 1483 - 1520

Artist of original: School of Raphael

X-radiograph(s)

X-radiograph(s) of "Harbor Scene", c. 1645-1718

Artist of original: Jan Greffier I

X-radiograph(s) of "Madonna and Child", c. 1370-1427

Artist of original: Gentile da Fabriano

X-radiograph(s) of "Angel Leaving Tobias", 1615 - 1660

Artist of original: (?) Govert Flinck

X-radiograph(s) of "Pieta", 1510 - 1592

Artist of original: School of(?) Jacopo Bassano the Elder

X-radiograph(s) of "The Entombment", 1510 - 1592

Artist of original: Jacopo Bassano the Elder

X-radiograph(s) of "St. Catherine", 1609 - 1685

Artist of original: (?) Il Sassoferrato

X-radiograph(s) of "Education of Cupid (copy)", 1756 - 1843

Artist of original: (?) John Trumbull

X-radiograph(s) of "Alex Martin"

X-radiograph(s) of "Continence of Scipio (copy from Nicolas Poussin)", 1688 - 1751

Artist of original: Attributed to John Smibert

X-radiograph(s) of "Mrs. Thomas Flucker (formerly called Judith Bowdoin)", c. 1725 - 1787

Artist of original: Joseph Blackburn

X-radiograph(s) of "Stormy Sea"

X-radiograph(s) of "President Jefferson", 1755 - 1828

Artist of original: Gilbert Stuart

X-radiograph(s) of "Ahasueras and Esther", 1581-1642)

Artist of original: (?) Frans Francken II

X-radiograph(s) of "Salome", c. 1500-1561 or 1562

Artist of original: School of Callisto Piazza

X-radiograph(s) of "General Samuel Waldo", c. 1707 - c. 1752

Artist of original: Robert Feke