Jannis Kounellis, [Untitled], 1960, Polyvinyl acetate paint and tempera on canvas, Tate, London. https://dartabase.art/cite/tate/AR00614

Jannis Kounellis, [Untitled], 1969, Stone, Tate, London. https://dartabase.art/cite/tate/AR01136

Jannis Kounellis, [Untitled], 1969, Burlap and beans, Tate, London. https://dartabase.art/cite/tate/AR00069

Rafael Hastings, WHO? VII, (1968), Gouache, pencil, and felt-tip pen on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38696

Jannis Kounellis, [Untitled], 1960–98, Steel panel, enamel on paper on 2 canvases, fabric, coal, 3 metal hooks and metal rod, Tate, London. https://dartabase.art/cite/tate/AR00068