Untitled (soldiers examining bunker found in jungle, central highlands near Dak To, Vietnam)

[Buildings, New York]

Alpenveilchen on black-and-white

[Painting by Lyonel Feininger]

[Watercolor by Lyonel Feininger, 1933]

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

[Watercolor by Lyonel Feininger, 1952]

["Grotesque," 1954, drawing by Lyonel Feininger]

Untitled (two soldiers on watch in jungle looking up into trees during fighting in central highlands near Dak To, Vietnam)

["Laid up," 1938, drawing by Lyonel Feininger]

Untitled (soldier standing with flag on hilltop overlooking landscape, Vietnam)

[Vanishing Hour, , 1954, oil painting by Lyonel Feininger]

Untitled (soldiers in jungle surrounded by rising smoke or dust, central highlands near Dak To, Vietnam)