Collaborator: M. Steffin. Unpublished stage manuscript housed at Bertolt-Brecht-Archive. Director: Stuart McDowell. Performance of University of California-Berkeley Theatre Workshop, February/March 1974. 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.