X-radiograph(s) of "Young Woman"

Jacob Adriaensz. Backer Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Male Portrait"

Paris Bordone Titian (Tiziano Vecellio)

X-radiograph(s) of "Head of a Saint"

X-radiograph(s) of "Adoration"

Jacques Jordaens

X-radiograph(s) of "The Vision of St. Jerome (copy after a painting in S. Niccolo da Tolentino, Venice)"

Johann Liss

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

X-radiograph(s) of "Christ and His Mother"

Rogier van der Weyden

Munich, from the portfolio "German Cities Before Reconstruction"

Werner Büttner Hubert Kiecol

X-radiograph(s) of "Old Man with a Beard"

Peter Paul Rubens

X-radiograph(s) of "Fall of the Rebel Angels"

Pieter Bruegel, the Elder

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

X-radiograph(s) of "Judith with the Head of Holofernes"

Andrea Mantegna

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

Cima da Conegliano

X-radiograph(s) of "Sketch for picture of Jupiter and Semele"

Peter Paul Rubens

X-radiograph(s) of "Samson and Dalilah"

Anthony van Dyck

X-radiograph(s) of "Landscape"

Lucas van Uden

X-radiograph(s) of "Angel"

Melozzo da Forli

X-radiograph(s) of "Battle Scene"

Erasmus Quellinus

X-radiograph(s) of "Holy Family"

X-radiograph(s) of "Cardinal Mezzarota"

Andrea Mantegna

Cologne, from the portfolio "German Cities Before Reconstruction"

Werner Büttner Hubert Kiecol

X-radiograph(s)

Mend Piece for John

Yoko Ono

Face Mask with Painted Features

Bust of Balzac

Auguste Rodin

X-radiograph(s) of "Male Portrait (Martin Cahlenbach?)"

Albrecht Dürer

X-radiograph(s) of "Male Portrait"

Master of Flémalle Rogier van der Weyden

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

Cosmè Tura

X-radiograph(s) of "Annunciation"

Ventura Salimbeni Gentile da Fabriano

Cylinder Seal: Warrior King faces a Figure, possibly the God Amurru

Untitled (portrait of a deceased man, "Daddy")

John Deusing

X-radiograph(s) of "Gamblers"

Pieter Brueghel the Younger

X-radiograph(s) of "Virgin Adoring the Child"

Pesellino (Francesco di Stefano)

Tortured Color

Arman (Armand Pierre Fernandez)

Untitled (post mortem image of baby wearing dress in casket)

Orrion Barger

Sables de l'Atlantique, Bretagne

Lucien Clergue

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

Bernardo Cavallino

X-radiograph(s) of "Madonna and Child Enthroned with Saints"

Sano di Pietro (Ansano di Pietro di Mencio)

X-radiograph(s) of "Boy and Girl"

Michelangelo Merisi da Caravaggio

Untitled, from the portfolio "Saltoarte"

Christo POUR

On the Flight to America

Joseph Beuys Edition Staeck, Heidelberg

Untitled (dead two-headed cow lying on table)

Durette Studio

Katagami Textile Stencil (1 of 2) with Carp, Peony and Water Design

X-radiograph(s) of "Apples"

Gustave Courbet

X-radiograph(s) of "Madonna"

Arthur Everett Austin

X-radiograph(s) of "Scene from Life of a Hermit (part of a triptych)"

Domenico Veneziano Giovanni di Francesco Giacomo del Pisano

X-radiograph(s) of "Death of the Virgin"

Hugo van der Goes

On the Flight to America

Joseph Beuys Edition Staeck, Heidelberg

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

Gerard David

X-radiograph(s) of "Raising of Lazarus"

Albert van Ouwater

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

Giovanni di Paolo Sassetta

Untitled (close-up of man in visor shooting bow and arrow)

Joseph Janney Steinmetz

Furniture Designs, 1929-1932

Unidentified Artist

[Drawing by Lyonel Feininger, 1955]

Lyonel Feininger

Paint roller

Barnett Newman

Ice Formation

Brett Weston

X-radiograph(s) of "Christ Carrying Cross"

Niccolò da Foligno

ARRETINE WARE. FRAGMENT WITH A RUNNING LION.

Self-Portrait

Ed Bereal

[Oil painting by Lyonel Feininger]

Lyonel Feininger

Staple gun

Barnett Newman

X-radiograph(s) of "Crucifixion"

Berlinghiero Berlinghieri

Seal with Deity and Winged Animals

Untitled

Morris Louis