[Drawing by Lyonel Feininger, 1937]

Lyonel Feininger

Wanderers

Ernst Barlach

Harvard Seen from the Charles, Downstream

Donald Outerbridge

Untitled (view of the beach, Nazaré, Portugal(?))

Gordon W. Gahan

Untitled (rephotograph of image showing soldiers firing 175mm cannon)

Gordon W. Gahan

Elevata, Row 2, column 4

Maria Magdalena Campos-Pons

X-radiograph(s) of "Gerardus Duyckinck"

Lawrence Kilburn

X-radiograph(s) of "Georges Washington"

Gilbert Stuart

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

Antonio del Massaro da Viterbo, called Pastura

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

Giovanni Antonio Boltraffio

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

Domenico Beccafumi

X-radiograph(s) of "Christ in the Garden"

Giovanni Bellini

X-radiograph(s) of "Portrait of an Admiral"

Thomas Hudson

X-radiograph(s) of "Young Lady"

Ferdinand Bol Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Count Raimund Fugger"

Vincenzo di Biagio Catena

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

Correggio (Antonio Allegri)

X-radiograph(s) of "James Stuart, Duke of Lennox"

Anthony van Dyck

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

Anthony van Dyck

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

Barent Fabritius

X-radiograph(s) of "Man in Fur Cap (self-Portrait ?)"

Carel Fabritius

X-radiograph(s) of "Man with Gold Chain (the Laborer ?)"

Willem Drost Rembrandt Harmensz. van Rijn Carel Fabritius

X-radiograph(s) of "Count Rumford"

Thomas Gainsborough

X-radiograph(s) of "Circumcision"

Arent de Gelder Rembrandt Harmensz. van Rijn

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

Frans Hals II

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

Frans Hals

X-radiograph(s) of "Malle Babbe"

Frans Hals II

X-radiograph(s) of "Officiers of the Sebastian Company"

Bartholomeus van der Helst

X-radiograph(s) of "Michael Heusch"

Bartholomeus van der Helst

X-radiograph(s) of "Descent from the Cross"

Gerritt Willemsz Horst Rembrandt Harmensz. van Rijn

X-radiograph(s) of "St. Mary of Egypt"

X-radiograph(s) of "The Artist and Family (sketch for Louvre painting)"

X-radiograph(s) of "Barbier Walbonne"

Pierre-Paul Prud'hon

X-radiograph(s) of "Toilet of Bathsheba"

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "An Astronomer"

Jusepe de Ribera

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

Jan Adriaensz. van Staveren

X-radiograph(s) of "Portrait of a Woman of the Plainval Family"

Louis Tocqué

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

Werner van den Valckert

X-radiograph(s) of "Lady Playing Spinnet"

Jan Vermeer

X-radiograph(s) of "Jacob and Family"

Jan Victors Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Unknown Man Standing"

Gerritt Willemsz Horst Rembrandt Harmensz. van Rijn

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

Il Sassoferrato

X-radiograph(s) of "Gov. Bowdoin, two versions"

Henry Sargent John Singleton Copley

X-radiograph(s) of "Bowdoin Children"

Joseph Blackburn

X-radiograph(s) of "Male Portrait"

X-radiograph(s) of "Nathaniel Cunningham Jr."

Joseph Blackburn Attributed to John Smibert

X-radiograph(s) of "Mrs. Cunningham (Anne Boucher)"

Attributed to John Smibert

X-radiograph(s) of "Portrait of a Woman beneath that of a Man"

Frans Pourbus, the Elder

X-radiograph(s) of "Mrs. Thomas Cranston"

John Singleton Copley

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

X-radiograph(s) of "A Bishop"

Hans Memling

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

X-radiograph(s) of "Portrait of a Man with a Large Black Hat and Red and White Scarf"

Jean-Auguste-Dominique Ingres

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

Titian (Tiziano Vecellio)

X-radiograph(s) of "Shepherd and Goats"

Jean-Baptiste-Camille Corot

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

Gustave Courbet

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

Frans Hals

X-radiograph(s) of "Portrait of an Elderly Lady"

Gerard Terborch

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

Bartholomeus van der Helst

X-radiograph(s) of "Landscape"

Jan Wijnants

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

Mattia Preti

X-radiograph(s) of "Maternite"

Pablo Ruiz Picasso

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

Thomas Sully Gilbert Stuart

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

Jean-Auguste-Dominique Ingres

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

Jean-Baptiste-Camille Corot

X-radiograph(s) of "Peasant Scene"

Egbert van Heemskerck the Elder

X-radiograph(s) of "Landscape"

Jean-François Millet

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

Attributed to John Smibert