Quote sources:

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Brecht, Bertolt. Brecht on Performance: Messingkauf and Modelbooks. Edited & translated by
Steve Giles et al., Bloomsbury Methuen Drama, 2014.

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Brecht, Bertolt, and Marc Silberman. Brecht on Film and Radio. Edited by Marc Silberman, Methuen, 2020, https://doi.org/10.5040/9781408185285.

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