Informazzjoni minn organizzazzjoni tal-arti (Verifikat minn Operabase)
Die Krötzkes sind drin by Ramdohr, Sib 18 Ott 2003, Minn (2003/2003), Immexxi minn Peter Lund,, Surmast Direttur Niclas Ramdohr, Volker Sondershausen, Tränenpalast, Berlin, Germany