Study of a Seated Young Man

Maso Finiguerra Unidentified Artist

Untitled (aerial view of river valley from helicopter, Vietnam)

Gordon W. Gahan

Untitled (aerial view of river valley from helicopter, Vietnam)

Gordon W. Gahan

Untitled (Borobudur, Java)

Ben Shahn

Untitled (aerial view of river valley from helicopter, Vietnam)

Gordon W. Gahan

Sketch of a Mill

Sanford Robinson Gifford

Untitled (aerial view of river valley from helicopter, Vietnam)

Gordon W. Gahan

Kings Ravine

Merrill G. Wheelock

Reclining Nude

James Abbott McNeill Whistler James Abbott McNeill Whistler

Spalatro's Left Hand, for "Spalatro's Vision of the Bloody Hand"

Washington Allston

Hanged Man

Jusepe de Ribera

Untitled (aerial view of river valley from helicopter, Vietnam)

Gordon W. Gahan

Reclining Male Nude; verso: Standing Robed Man with a Staff

Agostino Melissi Matteo Rosselli

X-radiograph(s) of "Circumcision"

Giovanni Cariani Giorgione (Giorgio da Castelfranco)

X-radiograph(s) of "Calvary"

Reclining Male Nude; verso: Seated Youth

Matteo Rosselli

Fighting Nudes

Antonio Pollaiuolo

Nude Study

James Abbott McNeill Whistler

Sketchbook: Brighton

Unidentified Artist Joseph Mallord William Turner