WattsOSSFStudy for Reptile1987 · Charcoal on paper53 1/2 × 39 3/4 in. (135.9 × 101 cm)The Metropolitan Museum of Art
WattsOSSFStudy for Reptile1986 · Ink on paper, mounted on paper30 3/8 × 21 3/8 in. (77.2 × 54.3 cm)The Metropolitan Museum of Art
Sensible Ellipse of Lost Origin1985 · Acrylic paint, cotton gauze and polyvinyl acetate resin on canvassupport: 2780 x 4010 mmTate
The Wing of the Wind of Madness1982 · Acrylic paint, metallic paint, cotton gauze, muslin and paper on canvassupport: 2730 x 3690 mmTate