Untitled (soldiers in jungle during fighting in central highlands near Dak To, Vietnam)

Birch stems

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

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

["Badende," 1915, drawing by Lyonel Feininger]

["Grotesque I," 1951, watercolor by Lyonel Feininger]

First blossom on "weed"

Untitled (cowherd, dressed in gray cap and coat and gray sweater, against backdrop of hills)

Untitled (Chinook helicopter lifting 105mm howitzer silhouetted against sun and low clouds, Vietnam)

["Street in Paris," 1909, drawing by Lyonel Feininger]

Untitled (cowherd walking through field with bull trailing in the background)

Untitled (boys playing water polo)

Roofs in snow