British Museum, London  "Escape”, 1975, Aquatint, image size 15X12 inches
British Museum, London "Escape”, 1975, Aquatint, image size 15X12 inches
British Museum, London  "Surveillance”, Aquatint, image size 15X12 inches
British Museum, London "Surveillance”, Aquatint, image size 15X12 inches
Metropolitan Museum of Art, NYC  "The Key”, 1973, photo-etching, image size 12X15 inches
Metropolitan Museum of Art, NYC "The Key”, 1973, photo-etching, image size 12X15 inches