. . . "Correspondence with Winkler, Edgar"@en . . . "Edgar Winkler was a German civil servant."@en . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . "1 letter"@en . . "The letter by Winkler concerns a request for information material about The Wiener Library."@en . . "WL3000/9/1/1554" . .