M. Tönnies, “Becker, J.: Nicht-Ich-Identität. Ästhtische Subjektivität in Samuel Becketts Arbeiten für Theater, Radio, Film und Fernsehen, 1998,” Forum Modernes Theater, vol. 14, no. 2. pp. 229–233, 1999.
LibreCat: /record/9667

M. Tönnies, “Ledger, S.: The New Woman. Fiction and Feminism at the ‘Fin de Siècle’, 1997,” Anglia, vol. 117. pp. 460–462, 1999.
LibreCat: /record/9668

M. Tönnies, Samuel Beckett’s Dramatic Strategy. Audience Laughter and the Postmodernist Debate. Trier: WVT, 1997.
LibreCat: /record/6752

M. Tönnies, “The Spectator as Participant: The Role of Integrating Audience Laughter in Samuel Beckett’s Drama,” Forum Modernes Theater, vol. 11, no. 2, pp. 185–196, 1996.
LibreCat: /record/9626