X-radiograph(s) of "Mona Lisa", 1452 - 1519

Artist of original: After Leonardo da Vinci

X-radiograph(s) of "La Fornarina (copy)", 1499? - 1546

Artist of original: Giulio Romano

X-radiograph(s) of "Portrait of a Man", 1620 - 1691

Artist of original: School of Aelbert Cuyp

X-radiograph(s) of "Louis XI (copy ?)"

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

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

Artist of original: Follower of Jan van Eyck

X-radiograph(s) of "Portrait of a Woman", c. 1508 - 1573

Artist of original: (?) Giulio Campi

X-radiograph(s) of "Finding of Vulcan (formerly Hylas and Nymphs)", c. 1462 - 1522

Artist of original: Piero di Cosimo

X-radiograph(s) of "Young Boy", 1571 - 1610

Artist of original: Michelangelo Merisi da Caravaggio

X-radiograph(s) of "Baby Stuart", 1599 - 1641

Artist of original: School of Anthony van Dyck

X-radiograph(s) of "Descent from the Cross"

X-radiograph(s) of "Two"

X-radiograph(s) of "Mrs. Hamilton", 1727 - 1788

Artist of original: Thomas Gainsborough

X-radiograph(s) of "Eleanor of Toledo", c. 1612-1667

Artist of original: (?) Juan Bautista Martínez del Mazo

X-radiograph(s) of "Fishermen", 1763 - 1804

Artist of original: (?) George Morland

X-radiograph(s) of "St. Francis", 1618 - 1682

Artist of original: Bartolomé Esteban Murillo

X-radiograph(s) of "Countess of Spencer", 1723 - 1792

Artist of original: (?) Sir Joshua Reynolds

X-radiograph(s) of "Sir Archibald Cambell", 1734 - 1802

Artist of original: George Romney

X-radiograph(s) of "St. Ignatius", 1596 - 1675

Artist of original: Abraham van Diepenbeeck

X-radiograph(s) of "Madonna of Loretto", 1462 or 1463-c. 1519

Artist of original: Saturnino de' Gatti