Tönnies, M. (1999). Becker, J.: Nicht-Ich-Identität. Ästhtische Subjektivität in Samuel Becketts Arbeiten für Theater, Radio, Film und Fernsehen, 1998. In Forum Modernes Theater (Vol. 14, Issue 2, pp. 229–233).
LibreCat: /record/9667

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

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

Tönnies, M. (1996). The Spectator as Participant: The Role of Integrating Audience Laughter in Samuel Beckett’s Drama. Forum Modernes Theater, 11(2), 185–196.
LibreCat: /record/9626