Untitled (neon lights at night, image of a machine)

[Leaf and pebbles]

Untitled (neon lights at night; rocket ship and "mars")

[Watercolor by Lyonel Feininger, 1939]

[Watercolor by Lyonel Feininger, 1918]

["The Old Man in the Woods," 1955, oil painting by Lyonel Feininger]

Hanging branch against sky

[Drawing, 1952, by Lyonel Feininger]

Branch, sunlit

Hydrant

[Watercolor by Lyonel Feininger, 1951]

Kortheuer group (Mark Tobey, center)

Untitled (camouflaged soldiers in central highlands near Dak To, Vietnam)