"Gedenktafel fuer Arno Nacher in Berlin https://www.gedenktafeln-in-berlin.de/nc/gedenktafeln/gedenktafel-anzeige/tid/arno-nacher/"@en . "7 letters"@en . "WL3000/9/1/1018" . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . "Correspondence regarding a restitution related enquiry by Georg Nacher on the fate of his brother Arno Nacher, a Jewish-German communist and resistance fighter, who had been tried for high treason by the Nazis and was later murdered in Mauthausen concentration camp."@en . . . . . "Correspondence with Nacher, Georg"@en . . . . . .