Anselm Franz von Ingelheim, kurfurst von Mainz

Leonhard Heckenauer

The Jolly Nose

William Henry Hunt

The Old Man of the Wood

Clarence J. Laughlin

Jade Bird Figure

Thalia, from the series "Putti as the Nine Muses"

Pankraz Labenwolf

["Regler Church/Village Church," 1930, oil painting by Lyonel Feininger]

Lyonel Feininger

Head of a Man Looking Towards the Left and a Small, Three-Quarter View of a Man

Alessandro Allori Unidentified Artist

A Prophet or Apostle Seen from Below

Giovanni Paolo Lomazzo

X-radiograph(s) of "Tommaso Inghirami"

Raphael

Saint Jerome in his study

Hieronymus Wierix Albrecht Dürer

Two Boys with a Helmet and a Standard

Lucas van Leyden

Louis XIV as a child

Jacob van Meurs Justus van Egmont

Crypt of Kirkstall Abbey

Joseph Mallord William Turner

["Gelmeroda XI," 1928, oil painting by Lyonel Feininger]

Lyonel Feininger

Sherd

Untitled (Angkor, Cambodia)

Ben Shahn

Catherine Howard, Queen of King Henry VIII

Jacobus Houbraken Hans Holbein the Younger

Medieval Battle: verso: Scene with Dancing Maidens (?)

Joseph Anton Koch Unidentified Artist

A Kneeling Figure

Ludovico Cardi da Cigoli

Untitled (Horyuji Temple, Nara, Japan)

Ben Shahn

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

Francesco di Gentile da Fabriano

X-radiograph(s) of "St Luke Painting the Virgin"

Master of the Holy Blood Quentin Metsys

Katakombe

Anton Lehmden