https://www.buehnefrei.ch/theaterproduktion.php
https://web.archive.org/web/20230422192617/https://www.buehnefrei.ch/theaterproduktion.php
https://www.stadttheater-langenthal.ch/de/event/1ece-2b11-a37dc401-8ea2-027df52e9669
https://web.archive.org/web/20230422192745/https://www.stadttheater-langenthal.ch/de/event/1ece-2b11-a37dc401-8ea2-027df52e9669