Karel Appel, (Head and fish), c.1950s, Colour lithograph on wove paper, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/2437

Pierre Alechinsky, Poem, 1960, Etching, Whitney Museum of American Art, New York. https://dartabase.art/cite/whitney/96.198.1

Karel Appel, Crying head, 1963, Oil on canvas, Queensland Art Gallery and Gallery of Modern Art, Brisbane. https://dartabase.art/cite/qagoma/13506