Untitled (soldier working on helicopter, Vietnam)

Untitled (helicopters flying over open field and paddies, Vietnam)

[Un-decorated Christmas tree]

Untitled (Dr. Herman M. Juergens at desk in office looking at papers)

[Cloud study]

Untitled (fishermen in rowboat; women and child with mule-drawn wagon, Nazaré, Portugal)

[New York skyscrapers]

[Scene from Overland train trip, New York]

[Lyonel Feininger drawing]

[Sky study]

Untitled (two Vietnamese civilians carrying corrugated tin sheet in front of damaged building, Hue, Vietnam)

Untitled (soldier preparing fishing line, Vietnam)

Untitled (soldiers in small boat crossing water, Vietnam)