source: Kunstgegenstände im Hause des Herrn Martin Bromberg. Hamburg 1913. Nr.42; Album „Haus Bromberg, Nonnenstieg 9“. Privatbesitz, 1935 (nach)
Provenance
Collection Martin Bromberg and heirs, Hamburg; - 1913 - 1935 (after) [...] withdrawal by National Socialist persecution can not be ruled out; whereabouts unknown
