Untitled (soldier in clearing; soldiers taking break on path, Vietnam)

[Cloud study above rustic building, near Falls Village, Connecticut]

[Train with steam]

[Trucks on street in snow, viewed from above, New York]

Untitled (transferring wounded onto stretcher, Vietnam)

Untitled (Greenwich Village, New York City)

[Demolished building site]

Untitled (woman carrying child walking down street, Nazaré, Portugal)

[Street scene, Germany]

[Cloud study]

Untitled (soldier treating Vietnamese boy inside medevac helicopter, Vietnam)

[Stacked paintings]

Untitled (Artists' Union demonstrators, Division IX, May Day Parade, Communist Party route, Fifth Avenue and East Twenty-fifth Street, Madison Square, New York City)