Eduardo Paolozzi, Wittgenstein as Soldier, 1964, Cut-and-pasted gelatin silver prints on transparentized paper over cut-and-pasted printed paper and gelatin silver prints on paper, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38802

Sigmar Polke, [Untitled], 1975, Gelatin silver print, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/36305

Eduardo Paolozzi, Wittgenstein in N.Y., 1964, Cut-and-pasted printed paper and cut-and-pasted gelatin silver prints on board, The Museum of Modern Art, New York. https://dartabase.art/cite/moma/38800