Collaborator: Caspar Neher. Unpublished stage manuscript housed at Bertolt-Brecht-Archive. No date given. Includes notes to the play. Access to and inspection of materials only by permission of the Bertolt-Brecht-Erben and the translator(s). Einsichtnahme nur nach Genehmigung der Bertolt-Brecht-Erben und der Übersetzer.