Theater as Metaphor, Penskaja, E. N. <., & Küpper, J. (2019). Theater as Metaphor: Edited by Elena Penskaya and Joachim Küpper. De Gruyter.

Theater as Metaphor, Elena Naumovna <1959-> Penskaja, and Joachim Küpper. Theater as Metaphor: Edited by Elena Penskaya and Joachim Küpper. Berlin ; Boston: De Gruyter, 2019.

Theater as Metaphor, et al. Theater as Metaphor: Edited by Elena Penskaya and Joachim Küpper. De Gruyter, 2019.