Untitled (soldier lounging in rice field, Vietnam)

Gordon W. Gahan

Untitled (soldiers taking cover on ground, Vietnam)

Gordon W. Gahan

Untitled (soldier poking his head through opening in tent, Vietnam)

Gordon W. Gahan

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

John Singleton Copley John Cornish

X-radiograph(s) of "Maria Portinari"

Hans Memling

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

Daniel Varney Thompson

X-radiograph(s) of "Ship Amy Turner"

Untitled (soldier lounging in rice field, Vietnam)

Gordon W. Gahan

Naples

Robert David Gauley

X-radiograph(s) of "Deposition"

X-radiograph(s) of "Luis Gongora"

Diego Rodriguez Velázquez

X-radiograph(s) of "Annunciation, Nativity, Crucifixion and Entombment"

Silvestro dei Gherarducci

X-radiograph(s) of "Granducal Madonna"

Raphael

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

Jean Hey Jean Perreal

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

Karel van der Pluym Rembrandt Harmensz. van Rijn

Standing: In Green No. 23

Thomas Wilmer Dewing

Untitled (fishing boats on the beach with man with umbrella in background, Nazaré, Portugal)

Gordon W. Gahan

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

Jacopo del Sellaio

Untitled (soldier eating canned food under a make-shift tent, Vietnam)

Gordon W. Gahan

Untitled (U.S. soldier and Vietnamese man under covered area next to large basket, Vietnam)

Gordon W. Gahan

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

Ambrosius Benson

An Elderly Woman

Georg Friedrich Schmidt Rembrandt Harmensz. van Rijn

Untitled (U.S. soldier and Vietnamese man under covered area next to large basket, Vietnam)

Gordon W. Gahan

X-radiograph(s) of "Jonathan Brooks"

James Frothingham

X-radiograph(s) of "William Sawyer"

Richard Jennings Charles Balthazar Julien Févret de Saint-Mémin

[Shop window of lingerie store, New York]

Lyonel Feininger

Untitled (Mexico)

Bill Dane

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

Albrecht Dürer

Untitled (soldiers shaking hands, Vietnam)

Gordon W. Gahan

Untitled (soldiers walking in jungle of central highlands near Dak To, Vietnam)

Gordon W. Gahan

X-radiograph(s) of "Female Portrait"

Master of Flémalle Rogier van der Weyden Rogier van der Weyden

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

Sandro Botticelli (Alessandro Filipepi)

X-radiograph(s) of "The Magdalen"

Raphael

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

Lorenzo Lotto

X-radiograph(s) of "Annonciation"

Master of Flémalle Jacques Daret

X-radiograph(s) of "Sketch for Picture of the Milky Way"

Peter Paul Rubens

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

Caterino Veneziano

Untitled (men preparing fishing nets, Nazaré, Portugal)

Gordon W. Gahan

Untitled (soldier eating canned food under a make-shift tent, Vietnam)

Gordon W. Gahan

X-radiograph(s) of "Pieta"

Rogier van der Weyden

Untitled (Vietnamese soldier(?) working with circular saw, Vietnam)

Gordon W. Gahan

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

Hans Holbein the Younger

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

Domenico Theotocopoli, called El Greco

Portrait of a Woman in Courtly Attire

X-radiograph(s) of "Man Drinking"

Jacob Toorenvliet

X-radiograph(s) of "Allegory"

Hieronymus Bosch

X-radiograph(s) of "Saint George and the Dragon"

Konrad Witz

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

Corneille de Lyon

Untitled (New York City)

Ben Shahn

X-radiograph(s) of "Adoration"

Jacques Jordaens

Untitled (Mr. Trische, tenant farmer, Plaquemines Parish, Louisiana)

Ben Shahn

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

Gerard David

X-radiograph(s) of "Man with a High hat"

Corneille de Lyon

Omar the Tent Maker

Debra Olin

X-radiograph(s) of "Allegory"

Bartolommeo di Giovanni

Untitled

Naum Gabo

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

Hieronymus Bosch

Untitled (cotton pickers, Alexander Plantation, Pulaski County, Arkansas)

Ben Shahn

Untitled (soldier lying on ground with helmet pulled over face, Vietnam)

Gordon W. Gahan

X-radiograph(s) of "The Embassy"

Vittore Carpaccio

X-radiograph(s) of "Feke"

Robert Feke

Untitled (Jersey Homesteads, New Jersey)

Ben Shahn

Untitled (county fair, central Ohio)

Ben Shahn

X-radiograph(s) of "Adoration of the Lamb, Just Judges, Holy Knights"

Hubert van Eyck

X-radiograph(s) of "Silent Parkhurst"

Sir Peter Lely

Orizaba, Mexico

Joseph Lindon Smith

Untitled (American Legion Fourth of July and Homecoming festival, London, Ohio)

Ben Shahn

Untitled (soldier eating canned food under a make-shift tent, Vietnam)

Gordon W. Gahan

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

Michiel Jansz. van Miereveld

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

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

Bartholomeus van der Helst

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

Pietro Longhi

Untitled (soldiers pinning insignia on uniforms, Vietnam)

Gordon W. Gahan

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

Benozzo Gozzoli

X-radiograph(s) of "Triumph of Eucharist over Ignorance"

Erasmus Quellinus Peter Paul Rubens

X-radiograph(s) of "The Toper"

Alexis Grimou

Untitled (medic treating wounded soldier inside medevac helicopter, Vietnam)

Gordon W. Gahan