H. C. Westermann, World's Strongest Glue, 1966, Solid cast bronze, brass, and paint, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/270968

Louise Bourgeois, Amoeba, 1963–5, cast 1984, Bronze, Tate, London. https://dartabase.art/cite/tate/T07780

H. C. Westermann, Little Egypt, 1969, Douglas fir, pine, oak and bronze, Art Institute of Chicago, Chicago. https://dartabase.art/cite/aic/270956