 However, the museum has a substantial number of works by other 20th-century sculptors, including Ernst Barlach, Käthe Kollwitz, Ludwig Kasper, Hermann Blumenthal, Alexander Archipenko, Raymond Duchamp-Villon, Henri Laurens, Jacques Lipchitz, Alexander Rodtschenko, Laszlo Péri, Naum Gabo, Antoine Pevsner, Pablo Picasso, Salvador Dalí and Max Ernst.This is complemented by a considerable number of paintings by 19th- and 20th-century German artists.The museum circulates its substantial collection by re-installing works on an annual basis.