Art dealer Gebr. Douwes notified the authorities of his mediation in the sale between Robin Khan Paat-Zadé and W.A. Hofer in November 1945. During the current research no confirmation was found in the Gebr. Douwes archive for this property transition.
Archief SNK nr.437, 714, 867; Bundesarchiv Koblenz B323 nr.574