Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Merlin oder Das wüste Land by Wirth, S., Tli 02 Ott 2007, Minn (2007/2007), Immexxi minn Johan Simons,, Surmast Direttur Christoph Homberger, Jan Czajkowski, Maschinenhalle Zeche Zweckel, Gladbeck, Germany