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Archiv Eigentümer(in) / Owner's archive
Saint Louis Art Museum, Bequest of Morton D. May 865:1983
Collection Albright-Knox Art Gallery, Buffalo, New York. Room of Contemporary Art Fund, 1950 (RCA1950:1). Foto: Tom Loonan
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- / ARTOTHEK
Berlin / Köln, Archiv Mayen Beckmann. Foto: Utz Kaspar
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