Mario Merz, Che Fare?, 1968–73, Aluminium, wax and neon lights, Tate, London. https://dartabase.art/cite/tate/AR00598

Mario Merz, Lingotto, 1968, Brush-wood, beeswax and steel, Tate, London. https://dartabase.art/cite/tate/AR00608

Mario Merz, Blossom (Prehistoric Wind from Iced Mountains), (1982), Oil, spray paint, charcoal, pastel, clay, branch, pushpins on burlap on brown paper on cardboard, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36271