X-radiograph(s) of "Minstrels"

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

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

X-radiograph(s) of "Funeral Portrait from Fayum"

X-radiograph(s) of "Angel"

Artist of original: School of Melozzo da Forli

X-radiograph(s) of "William Temple, England"

X-radiograph(s) of "Madonna and Child (test: effect of cleaning away different layers of varnish, pigment and ground)"

X-radiograph(s) of "Portrait of a Man", 1759-1826

Artist of original: (?) Christian Gullager

X-radiograph(s) of "Marriage of the Virgin", c. 1548 - 1628

Artist of original: Jacopo Palma Giovane

X-radiograph(s) of "Annunciation", 1502 - 1568

Artist of original: Luis de Vargas

X-radiograph(s) of "George Washington", 1761 - 1817

Artist of original: Edward Savage

X-radiograph(s) of "Virgin and Child", c. 1400 - 1455

Artist of original: Fra Angelico

X-radiograph(s) of "Nativity"

X-radiograph(s) of "St. Peter", 1472 - 1517

Artist of original: Fra Bartolommeo della Porta

X-radiograph(s) of "Benjamin Pratt (false signature added)", 1688 - 1751

Artist of original: (?) Attributed to John Smibert

X-radiograph(s) of "Crucifix", 1266 - 1337

Artist of original: Giotto di Bondone

X-radiograph(s) of "Crucifix", 14th century

Artist of original: Master of Santa Chiara

X-radiograph(s) of "Crucifix", active 1254

Artist of original: Enrico di Tedice

X-radiograph(s) of "Allegory"

X-radiograph(s) of "Adoration", c.1480/90 - 1551

Artist of original: Adriaen Isenbrant