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