. "Correspondence with Stadler, Karl R."@en . . "WL3000/9/1/1304" . . . . "Correspondence regarding an enquiry into Austrian resistance."@en . "Karl R. Stadler was a researcher on International relations at the University of Nottingham."@en . . . . "3 letters"@en . . "This material has been digitised. Readers should book a reading room terminal to access it."@en . .