S215 (B3 I35–36)
F: /
B: /
[Dennis Oppenheim, Annual Rings, 1968, photograph.
Views of Oppenheim’s work available here.]

S221 (B3 I37–38)
F: Made in USA (p)
B: /
[Dennis Oppenheim, Cobalt Vectors, 1978, color photographs, text.
A view of Oppenheim’s work available here.]