. . "This material has been digitised. Readers should book a reading room terminal to access it."@en . "Prof. Dr. Helen Pauline Liebel (1930-2017) was a Canadian-American historian."@en . . "Correspondence with Liebel, Helen Pauline"@en . . . . "Correspondence regarding writing an article for The Wiener Library’s Bulletin on the German industry’s collaboration with the Nazis."@en . . . . "8 letters"@en . . "WL3000/9/1/901" .