Richard Long, Cornish Slate Ellipse, 2009, Slate, Tate, London. https://dartabase.art/cite/tate/AR00703

Luc Tuymans, Untitled (Sculpture), 2000, Gouache on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38540

David Hockney, Bigger Trees Near Warter Or/Ou Peinture Sur Le Motif Pour Le Nouvel Age Post-Photographique, 2007, Oil paint on 50 canvases and 100 digital prints on paper, Tate, London. https://dartabase.art/cite/tate/T12887