Untitled (chimp combing hair and looking into mirror, seated)

["Rider," sculpture by Marino Marini]

Untitled (scientists looking into pool of water at research facility)

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

[Mark Tobey]

[Dismantled elevated train tracks, New York]

[Watercolor by Lyonel Feininger, 1922]

[Watercolor by Lyonel Feininger, 1948]

Color boxes

[Watercolor by Lyonel Feininger, 1955]

[Umpferstedt, 1927, pen and charcoal drawing by Lyonel Feininger]

Untitled (scientists looking into pool of water at research facility)

New York Smoke