X-radiograph(s) of "Old Man"

Rembrandt Harmensz. van Rijn

Untitled (woman standing in front of tree wearing cardigan sweater with letters S and K on front, and plaid skirt)

Unidentified Artist

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

Untitled (Totes Gebirge mountains, Austria)

Unidentified Artist

Untitled (street scene with european traders, Africa)

Unidentified Artist

Tofana de Mezzo

Vittorio Sella

Untitled (leaning man in dark suit)

Bachrach Studios

Tomb Furnishing in the Form of a Granary

Circular "Shenshou" (Deity and Beast) Mirror with Relief Decoration of the Daoist Deities Xiwangmu and Dongwanggong and Fantastic Creatures, All within a Border of Alternating Semicircles and Faux Seal Impressions

Jade Chape for a Sword Scabbard

Long-sleeved Wedding Overrobe (Uchikake) with Decoration of Cranes and Snow-Covered Pines

Abraham Lincoln (1809-1865)

Brady's National Portrait Gallery Mathew B. Brady & Studio

Customs and Fashions of the Turks

Pieter Coecke van Aelst

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

Ferdinand-Victor-Eugène Delacroix

X-radiograph(s) of "Tobit and his Wife (copy from Rembrandt)"

Gerhard Dou

X-radiograph(s) of "Malle Babbe"

Frans Hals II

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

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

Rembrandt Harmensz. van Rijn

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

Jan Victors Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Joseph Dudley"

X-radiograph(s) of "Rogers of Salem"

John Singleton Copley

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

Rembrandt Harmensz. van Rijn

X-radiograph(s) of "Joseph Peabody "

Charles Osgood James Frothingham

X-radiograph(s) of "Male Portrait"

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

Gustave Courbet

Hans Göbel, 36, Burial Worker

Timm Rautert

Bruno Kruse, 64, Valet, Four Seasons Hotel, Hamburg

Timm Rautert

Untitled (bleed-through and note, left page); Untitled (figure in landscape, right page)

Otto Piene

[First Congregational Church, Lee, Massachusetts]

Lyonel Feininger

Robert Winthrop (1904-1999)

Frank Owen Salisbury Robert Winthrop

Untitled (dead child, with background of lace)

Durette Studio

Small Grotesque Head

Christ on the Mount of Olives

Johann Sadeler I Marcus Gheeraerts the Elder

Ecce Homo

Johann Sadeler I Marcus Gheeraerts the Elder

952 View of Tonosawa

Kusakabe Kimbei

Native Hut (Ceylon)

Charles T. Scowen

X-radiograph(s) of "Gerardus Duyckinck"

Lawrence Kilburn

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

Anthony van Dyck

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

Frans Hals II

X-radiograph(s) of "Interior"

Gerard Terborch

X-radiograph(s) of "Dan Waldo Junior"

Chester Harding

X-radiograph(s) of "John Wilson"

X-radiograph(s) of "Sir Archibald Cambell"

George Romney

X-radiograph(s) of "Trowbridge"

X-radiograph(s) of "Herdsmen"

X-radiograph(s) of "Portrait of Maria Isabelle"

Francisco José de Goya y Lucientes

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

Gerard Terborch

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

Gustave Courbet

X-radiograph(s) of "Emmanuel Joseph Sieyes"

Jacques-Louis David

X-radiograph(s) of "A Sketch in Kaaterskill Clove"

Sanford Robinson Gifford

Rebecca, an Emancipated Slave, from New Orleans

M.H. Kimball

Disappearing Music for Face

Mieko (Chieko) Shiomi Yoko Ono Peter Moore Fluxus

[Domed building near Stockholm]

Lyonel Feininger

[Farm cottage]

Lyonel Feininger

Untitled (man in gray pin stripe suit)

Bachrach Studios

Photograph of "La Carmencita"

John Singer Sargent