Untitled (installation Study - two perspectives combined into one), 1982

Ink, acrylic, felt tip pen, graphite and dispersion paint on two sheets of paper

22 x 15 inches

Shattered Off Center (detail), 1968-71/2020

Glass

Dimensions variable, approximately 6 x 6 feet

Diagrammatic Silhouettes: Sculptured Activities (Purple), 1986

Dispersion Paint and Ink on paper 
60 x 60 inches