"This material has been digitised. Readers should book a reading room terminal to access it."@en . . . . . . "Dr Martin Winckler was a German historian."@en . . . . "Correspondence with Winckler, Martin"@en . . "Correspondence regarding assistance in retrieving certain books about Romania, some articles Winckler wrote, and a general exchange on certain aspects of his work. Contained is a two letter correspondence with a third person named Wilhelm Winkler."@en . "21 letters"@en . "WL3000/9/1/1551" .