X-radiograph(s) of "Holy Family, Donors and St. Paul"

Rogier van der Weyden

X-radiograph(s) of "Baby Stuart"

Anthony van Dyck

X-radiograph(s) of "Still-Life"

Vincent van Gogh

X-radiograph(s) of "Old Stone Mill"

Gilbert Stuart

X-radiograph(s) of "Juno"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Old Man"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "M. Gonin (drawing)"

Jean-Auguste-Dominique Ingres

X-radiograph(s) of "A Warrior alla Romana"

X-radiograph(s) of "Young Man and Woman"

Peter Paul Rubens

X-radiograph(s) of "Trees"

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

Antonio Vivarini

X-radiograph(s) of "Virgin and Angels"

Spinello Aretino

X-radiograph(s) of "Ellis Gray"

Joseph Badger

X-radiograph(s) of "St. Francis (copy)"

Domenico Theotocopoli, called El Greco

X-radiograph(s) of "William Bowdoin (?)"

X-radiograph(s) of "Wolfgang A. von Zweibrucken"

Anthony van Dyck

X-radiograph(s) of "Sedwick (copy)"

Gilbert Stuart

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

Sebastiano del Piombo

X-radiograph(s) of "Adoration"

Marcello Fogolino Giovanni Francesco Caroto Baldassare Peruzzi

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

Francisco José de Goya y Lucientes

X-radiograph(s) of "Village Doctor"

Johannes Natus Jan Steen

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

Titian (Tiziano Vecellio)

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

Andrea del Sarto

X-radiograph(s) of "Old Battersea Bridge (Portrait underneath)"

James Abbott McNeill Whistler

X-radiograph(s) of "Crucifix"

Giunta Pisano

X-radiograph(s) of "Female Portrait"

AE Denarius of Trajan, Rome (counterfeit?)

Trajan

Coin of Chios

X-radiograph(s) of "Governor Francis Bernard"

Joseph Blackburn

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

Giovanni Bellini

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

Peter Paul Rubens

X-radiograph(s) of "Anne Pollard at one hundred years of age"

X-radiograph(s) of "Three Saints"

Luis de Vargas

X-radiograph(s) of "Male Portrait"

Willem Drost

X-radiograph(s) of "Pieta"

Carlo Crivelli

X-radiograph(s) of "Head of Christ"

Rembrandt Harmensz. van Rijn

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

Philippe de Champaigne

X-radiograph(s) of "Madonna with Angels"

Coin of Mytilene under Commodus

Commodus

X-radiograph(s) of "Charles d'Amboise"

Andrea Solario

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

Jacopo Tintoretto

X-radiograph(s) of "John Freke"

X-radiograph(s) of "Female Portrait"

Lucas Cranach the Elder

X-radiograph(s) of "Miracle of St. Nicholas"

Gentile da Fabriano

X-radiograph(s) of "Singing Angels"

Jacopo Tintoretto

Figurine of Birth Goddess Taweret Holding an Ankh (Sign of Life)

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

Andrea del Verrocchio Antonio Pollaiuolo Bastiano Mainardi

X-radiograph(s) of "The Beach at Scheveningen"

Adriaen van de Velde

X-radiograph(s) of "Female Portrait"

Hans Holbein the Younger

X-radiograph(s) of "Ecce Homo"

Andrea Solario

X-radiograph(s) of "William Dudley"

X-radiograph(s) of "St. Bartholomew (?)"

Giovanni del Biondo

X-radiograph(s) of "John Wesley"

Benjamin West

X-radiograph(s) of "Portrait of Sarah Ann Curtis"

Sestertius of Claudius, Rome

Claudius

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

X-radiograph(s) of "Trial of Moses"

Giorgione (Giorgio da Castelfranco)

X-radiograph(s) of "St. Jerome"

Rogier van der Weyden

X-radiograph(s) of "Governor William Greene"

Peter Pelham

Coin of the Island of Kos

Fragment of a Head of a Female Figure

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

Philippe de Champaigne

X-radiograph(s) of "Samuel Cary"

Hemidrachm of Alexandria, under Hadrian

Hadrian

["Hohlstedt II," 1924, drawing by Lyonel Feininger]

Lyonel Feininger

X-radiograph(s) of "The Concert"

Giorgione (Giorgio da Castelfranco) Titian (Tiziano Vecellio)

X-radiograph(s) of "Education of Cupid (copy)"

John Trumbull Titian (Tiziano Vecellio)