"Correspondence regarding background information on Otto Bienz, a graphologist, who had offered The Wiener Library a handwritten speech of Adolf Hitler."@en . . . . . "7 letters"@en . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . . "Correspondence with Born, Ruth von"@en . "WL3000/9/1/182" . .