X-radiograph(s) of "Holy Family (visitation with Saints)", 1445/50 - 1523

Artist of original: Luca Signorelli

X-radiograph(s) of "Ecce Homo", c. 1465-1524

Artist of original: (?) Andrea Solario

X-radiograph(s) of "Giovanni Cristoforo Longono", c. 1465-1524

Artist of original: Andrea Solario

X-radiograph(s) of "Happy Couple (copy)", 1626-1679

Artist of original: Jan Steen

X-radiograph(s) of "Christ at Emmaus", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez

X-radiograph(s) of "Alms-Giver", 1599 - 1660

Artist of original: Follower of Diego Rodriguez Velázquez

X-radiograph(s) of "Astronomer", 1632-1675

Artist of original: Jan Vermeer

X-radiograph(s) of "Family Group", 1630-1674

Artist of original: Cornelis Bisschop

X-radiograph(s) of "Portrait of a Lady"

X-radiograph(s) of "Portrait of a Girl (fragment)"

Artist of original: (?) Cornelis Vos

X-radiograph(s) of "Ruth and Boaz", 1645 - 1727

Artist of original: Arent de Gelder

X-radiograph(s) of "Ecce Homo", 1610 - 1690

Artist of original: David Teniers II

X-radiograph(s) of "John Bush"

X-radiograph(s) of "Portrait of a Lady"

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

Artist of original: School of Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Mary Pepperell Frost"

X-radiograph(s) of "Lady Bernard", c. 1725 - 1787

Artist of original: Joseph Blackburn

X-radiograph(s) of "Head of a Man", c. 1390 - 1441

Artist of original: Follower of Jan van Eyck

X-radiograph(s) of "Mother and Son", 1503 - 1572

Artist of original: (?) Agnolo Bronzino

X-radiograph(s) of "Luis Gongora", 1599 - 1660

Artist of original: Diego Rodriguez Velázquez