X-radiograph(s) of "Madonna and St. Anne", 1440 or 1450-1503

Artist of original: Lorenzo d'Alessandro da San Severino

X-radiograph(s) of "Madonna and Child", 1431 - 1506

Artist of original: Andrea Mantegna

X-radiograph(s) of "Francesco della Rovere", 1528 - 1612

Artist of original: Federico Barocci

X-radiograph(s) of "John Bours", 1738 - 1815

Artist of original: John Singleton Copley

X-radiograph(s) of "Male Portrait", 1633 - 1659

Artist of original: Willem Drost

X-radiograph(s) of "The Cook", 1507 or 1508-1575

Artist of original: Pieter Aertsen

X-radiograph(s) of "Trials of Silenus", c. 1462 - 1522

Artist of original: Piero di Cosimo

X-radiograph(s) of "Saint Margaret of Antioch"

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

Artist of original: Joseph Blackburn

X-radiograph(s) of "David Sewall", c. 1753 - 1818

Artist of original: John Johnston

X-radiograph(s) of "Indian", 1738 - 1815

Artist of original: John Singleton Copley

X-radiograph(s) of "Adoration", active c. 1500 - 1535

Artist of original: Defendente Ferrari

X-radiograph(s) of "Madonna and Child", c. 1460 - c. 1517

Artist of original: Cima da Conegliano

X-radiograph(s) of "Mrs. Cunningham (Anne Boucher)", 1688 - 1751

Artist of original: Attributed to John Smibert

X-radiograph(s) of "Portrait of a Woman beneath that of a Man", 1545 - 1581

Artist of original: School of(?) Frans Pourbus, the Elder

X-radiograph(s) of "Virgin in Prayer"

X-radiograph(s) of "Two Angels", 1477-1543

Artist of original: School of Francesco Granacci

X-radiograph(s) of "Rev. George Phillips"

X-radiograph(s) of "Abraham's Sacrifice", 1606 - 1669

Artist of original: Imitation from Rembrandt Harmensz. van Rijn

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

Artist of original: School of Giovanni Bellini