[Sky study]

Untitled (soldiers outside medevac helicopter, Vietnam)

Untitled (Blackwell's Island Peniteniary, Welfare Island, New York)

[Cambridge, Massachusetts]

Untitled (sun in cloudy sky, Vietnam)

Untitled (possibly Progressive Party convention)

[Trees above roofline]

Untitled (soldier opening a can of rations, Vietnam)

Untitled (Dr. Herman M. Juergens driving car and smoking cigar)

Untitled (soldiers checking ammunition and equipment, Vietnam)

Untitled (woman wrapped in shawl walking through deserted street, Nazaré, Portugal)

Untitled (Japan)

Untitled (Artists' Union demonstration, Spanish Consulate, near Madison Avenue and East Fifty-third Street, New York City)