Documents about the Strauss family and surviving members Siegfried Strauss and his daughter Marion Carola are located at the US Holocaust Museum in Washington DC. https://collections.ushmm.org/search/catalog/irn531622
Addition
Documents about the Strauss family and surviving members Siegfried Strauss and his daughter Marion Carola are located at the US Holocaust Museum in Washington DC. https://collections.ushmm.org/search/catalog/irn531622