X-radiograph(s) of "Madonna and Child (left half of diptych) (see Gerard David for right half with David, Bishop and Donors)"

Rogier van der Weyden

X-radiograph(s) of "Man with a Cane"

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

Peter Paul Rubens

X-radiograph(s) of "Portrait of Youth Holding Arrow"

Giovanni Antonio Boltraffio

Photographic Design

Thurman Rotan

17/2/71 Chimigramme

Pierre Cordier

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

Antonio Vivarini

Supernova

Victor de Vasarely

Untitled

Morris Louis

Folding Design in Black

Hermann Glöckner

Untitled

Morris Louis

Untitled

Morris Louis

Untitled

Morris Louis

Untitled (nature abstraction)

Lucien Clergue

Untitled

Morris Louis

X-radiograph(s) of "Vision of St. Domenic"

Bernardo Daddi

Diac

Victor de Vasarely

15 Serial Rows of Equal Amounts of Color with Bright Emphasis

Richard Paul Lohse

Button Seal with Crouching Goat; Sasanian or Parthian

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

John Greenwood Attributed to John Smibert

X-radiograph(s) of "Portrait of Mr. Nodler"

Gustave Courbet

Hopp

Sigmar Polke

Beaute Simple Pattern Fabric Samples

Otti Berger

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

Frans Hals

X-radiograph(s) of "Helena Fourment (?)"

Gaspar de Crayer Peter Paul Rubens

X-radiograph(s) of "Death of Leonardo"

Jean-Auguste-Dominique Ingres

X-radiograph(s) of "Bacchanal"

Cornelis Holsteijn

X-radiograph(s) of "John Cambell"

Gilbert Stuart

X-radiograph(s) of "Portrait of Dublin-Tornelle"

Adélaïde Labille-Guiard Jacques-Louis David

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

John Constable

X-radiograph(s) of "Youth with a Lute and Glass"

Frans Hals

X-radiograph(s) of "Barbier Walbonne"

Pierre-Paul Prud'hon

X-radiograph(s) of "John Quincy Adams"

John Singleton Copley

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

Johan Hesselius

X-radiograph(s) of "Joseph Peabody "

Charles Osgood James Frothingham

X-radiograph(s) of "Rev. George Phillips"

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

Rembrandt Harmensz. van Rijn

Untitled

Theodore Roszak

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

Luca Signorelli

X-radiograph(s) of "Countess of Huntington"

Joseph Highmore William Hogarth

X-radiograph(s) of "Malle Babbe"

Frans Hals II

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

Caspar Netscher

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

Deodato Orlandi

X-radiograph(s) of "Still Life"

William Michael Harnett

X-radiograph(s) of "William Temple, England"

Curvo Pattern Upholstery Fabric Samples

Otti Berger

X-radiograph(s) of "Daniel Waldo Sr."

Christian Gullager

X-radiograph(s) of "Samuel Shrimpton"

X-radiograph(s) of "Silent Parkhurst"

Sir Peter Lely

X-radiograph(s) of "La Blonde Gasconne"

Jean-Baptiste-Camille Corot

X-radiograph(s) of "An American Cutter Chasing a British Vessel"

Francis Holman

Flopp

Sigmar Polke

X-radiograph(s) of "Street Scene"

Industrial Problems, Coöperation: United States. Right Relationship League: Coöperation, United States: Forms used by the Auditing Department of the Right Relationship League, 1913.: Cash Disbursed

Unidentified Artist

X-radiograph(s) of "Girl at Half-open Door"

Barent Fabritius Rembrandt Harmensz. van Rijn

Detail from "1978-2000"

Robert Gober

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

Corneille de Lyon

X-radiograph(s) of "Charles Chauncy"

John Mason Furnass MacKay

Marine Theme - Ship's bow with ladder

Ralston Crawford

Untitled (jungle, central highlands near Dak To, Vietnam)

Gordon W. Gahan

X-radiograph(s) of "Apollo and Diana"

Lucas Cranach the Elder

Canal d'Arles à Bouc

Lucien Clergue