urn:cts:textgrid:GotterFriedrichWilhelm.Biographie:
urn:cts:textgrid:GotterFriedrichWilhelm.Libretti.DerDorfjahrmarkt:
urn:cts:textgrid:GotterFriedrichWilhelm.Libretti.DieGeisterinsel:
urn:cts:textgrid:GotterFriedrichWilhelm.Libretti.Medea: