Original: Siegfried Und Violetta. Karl Dietrich Grawe. Oder L. Siegfried Und Violetta. Oder L by German Hornsound. Herbert Rosendorfer.
Translation: Siegfried And Violetta. Or L. Siegfried And Violetta. Or L by German Horn Sound. By Libretto By Herbert Rosendorfe. NX.GEN-13264.