"Response by The Wiener Library to information requests regarding restitution claim for Siegfried Cassel."@en . "WL3000/9/1/1129" . . . "Correspondence with Regierungspräsident in Wiesbaden"@en . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . "Based in Wiesbaden the Regierungspräsident is a state official and head of a certain regional administrative district in the German state of Hesse."@en . . . "2 letters"@en . . . .