Lenk, Hartmut. 2025. “On the Change in Text Type Profiles in the Vossische Zeitung and the Berliner Zeitung over the Last One Hundred Years”. Journal for German and Scandinavian Studies Списание „Германистика и скандинавистика“ 1 (December): 119-45. https://periodicals.uni-sofia.bg/index.php/gsc/article/view/3214.