Untitled (car driving on beach)

Mary Lowber Tiers

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

Thomas de Keyser Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Study of Head of an Old Man"

Rembrandt Harmensz. van Rijn

Untitled

Constance Murdock

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

Benozzo Gozzoli

Hymns to the Night

Nikolai Makarov

Untitled (fishermen in a boat off the coast, Nazaré, Portugal)

Gordon W. Gahan

Michael Craig-Martin Book

Michael Craig-Martin

Violet Covering Over

Arnulf Rainer

Reflector

Hugo Táborský

Etang de Vaccarès

Lucien Clergue

Moonlit Landscape

Louis Michel Eilshemius

Untitled (blurry view of tree and car)

Jack Gould

Untitled (zookeeper feeding giraffe in cage)

Jack Gould

Untitled (zookeeper feeding giraffe in cage)

Jack Gould

Untitled (zookeeper feeding giraffe in cage)

Jack Gould

Untitled (dunes)

Gordon W. Gahan

X-radiograph(s) of "Sir John Popham"

X-radiograph(s) of "Last Judgment"

Jan Provoost

X-radiograph(s) of "Portrait of Old Man (copy)"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Sea Captains Carousing"

John Greenwood

Construction

Pol Bury

Detail from "1978-2000"

Robert Gober

X-radiograph(s) of "Entombment"

Taddeo Gaddi

X-radiograph(s) of "Calvary"

Andrea Mantegna

X-radiograph(s) of "Josiah Quincy"

Gilbert Stuart

X-radiograph(s) of "Apostles"

Giotto di Bondone

Untitled

Joe Goode

Light Post, Rustcraft, Dedham, Massachusetts

Kevin Monaghan

L'homme, sa voiture, et son chien, Camargue

Lucien Clergue

Untitled (nature abstraction)

Lucien Clergue

Untitled (nature abstraction)

Lucien Clergue

Loose Leaf Notebook Drawing

Richard Tuttle

X-radiograph(s) of "Male Portrait"

Rembrandt Harmensz. van Rijn

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

Peter Paul Rubens

X-radiograph(s) of "Mrs. Epes Sargent"

John Singleton Copley

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

Théodore Géricault

X-radiograph(s) of "Annunciation to Shepherds"

Adam Colonia

Calendar of Desire

Janice Rebert Forberg

Untitled III

Adja Yunkers

Cape Cod

Harry Callahan

Untitled (detail of rubble and barbed wire, Hue, Vietnam)

Gordon W. Gahan

Loose Leaf Notebook Drawing

Richard Tuttle

X-radiograph(s) of "Arabs Resting in a Wood"

Ferdinand-Victor-Eugène Delacroix

X-radiograph(s) of "Holy Family (visitation with Saints)"

Luca Signorelli

X-radiograph(s) of "Old Woman"

Pieter Verelst

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

Andrea del Sarto

X-radiograph(s) of "Self-Portrait (after Louvre portrait of 1637)"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Mrs. Spencer"

Ezra Ames