X-radiograph(s) of "Filippo Archinto"

Titian (Tiziano Vecellio)

X-radiograph(s) of "William Inman"

Henry Inman

X-radiograph(s) of "Maria Teresa"

Juan Bautista Martínez del Mazo Diego Rodriguez Velázquez

X-radiograph(s) of "Ravine (another subject underneath)"

Vincent van Gogh

X-radiograph(s) of "Self-Portrait"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Portrait of a Man "Ariosto""

Sebastiano del Piombo Giorgione (Giorgio da Castelfranco) Titian (Tiziano Vecellio)

X-radiograph(s) of "Doge Griti"

Francesco Beccaruzzi Titian (Tiziano Vecellio)

X-radiograph(s) of "Erasmus"

Hans Holbein the Younger

X-radiograph(s) of "Philip IV"

Diego Rodriguez Velázquez

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

Judith Leyster Frans Hals

X-radiograph(s) of "Studies from Saint Symphorien Series"

Jean-Auguste-Dominique Ingres

Sketches for Faust and Dante and Virgil; verso: Sketches for Faust

Ferdinand-Victor-Eugène Delacroix

X-radiograph(s) of "Mystical Marriage of St. Catherine with the Virgin and Magdelane"

Raffaellino del Garbo

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

Lorenzo Lotto

X-radiograph(s) of "Two Boys"

Jacopo Tintoretto

X-radiograph(s) of "Benedetto Varchi"

Jacopo Tintoretto

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

Titian (Tiziano Vecellio)

X-radiograph(s) of "Lorenzo Ghirardello"

Carlo Ceresa Tiberio Tinelli

X-radiograph(s) of "Last Supper"

Jacopo Tintoretto

X-radiograph(s) of "Crossbowman (drawing)"

Perugino (Pietro Vannucci)

X-radiograph(s) of "Rape of Europa"

Titian (Tiziano Vecellio)

X-radiograph(s) of "Virgin, Child and Saints"

Titian (Tiziano Vecellio)

X-radiograph(s) of "Mother and Step-Brother"

John Singleton Copley

X-radiograph(s) of "A Sybil"

Bonifazio de' Pitati

X-radiograph(s) of "Erasmus"

Unknown Artist Hans Holbein the Younger

X-radiograph(s) of "Alfonso d'Este"

Titian (Tiziano Vecellio)

X-radiograph(s) of "Mariana of Autria"

Juan Bautista Martínez del Mazo Diego Rodriguez Velázquez

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

Diego Rodriguez Velázquez

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

Corneille de Lyon

X-radiograph(s) of "Paul III (copy)"

Titian (Tiziano Vecellio)

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

Christian Gullager

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

X-radiograph(s) of "Nocturne in Blue and Silver"

James Abbott McNeill Whistler

X-radiograph(s) of "Infant Christ with St John Baptist with a Garland"

Frans Snyders Peter Paul Rubens

Annunciation; verso: Architectural Sketch of an Ornamental Gateway

Giovanni Battista Tiepolo

X-radiograph(s) of "Georges Washington"

Gilbert Stuart

X-radiograph(s) of "Christ Disputing with Doctors"

Hieronymus Bosch

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

Sandro Botticelli (Alessandro Filipepi)

X-radiograph(s) of "Adoration of Magi"

Francesco Botticini

X-radiograph(s) of "Bianca Capello"

Alessandro Allori

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

X-radiograph(s) of "Card Players"

Michelangelo Merisi da Caravaggio

X-radiograph(s) of "Portrait of a Young Man"

Petrus Christus

X-radiograph(s) of "Jealousy"

Lucas Cranach the Elder

X-radiograph(s) of "Landscape with Figures"

Giuseppe Zais Francesco Zuccarelli

X-radiograph(s) of "Madonna and Child with St. Catherine"

X-radiograph(s) of "Madonna and St. Anne"

X-radiograph(s) of "Mona Lisa (Copy)"

Leonardo da Vinci

X-radiograph(s) of "Samson Berating His Father-in-Law"

Jan Lievens Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Portrait of Rembrandt"

Gerhard Dou Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Self-Portrait"

Jacopo Tintoretto

X-radiograph(s) of "Vanity, Love and Time"

Titian (Tiziano Vecellio)

X-radiograph(s) of "Philip IV (?)"

Diego Rodriguez Velázquez

X-radiograph(s) of "Christ in the Garden"

Timoteo Viti

X-radiograph(s) of "John Marshall"

X-radiograph(s) of "Count Alborghetti and Son"

Giovanni Battista Moroni

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

X-radiograph(s) of "Crucifix"

Giovanni Battista Capanna Puccio Capanna

X-radiograph(s) of "Sacrifice of Isaac"

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

Raphael

X-radiograph(s) of "Lucy White Thaxter"

William Page

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

Cima da Conegliano

X-radiograph(s) of "Lorenzo di Medici"

Cristofano dell' Altissimo

X-radiograph(s) of "Landscape"

Jean-Baptiste-Camille Corot Jean-Baptiste-Camille Corot

X-radiograph(s) of "Still Life"

Jan Weenix