"3 letters"@en . "Correspondence regarding an article by Berthold about The Wiener Library. One letter contains a list of international politicians and scholars who had visited the institute."@en . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . "Margot Berthold was a German born author."@en . . "Correspondence with Berthold, Margot"@en . . . . . . "WL3000/9/1/142" .