Georg Friedrich Treitschke

1980

• [ ] Beethoven's Fidelio (Author) 
• [ ] Fidelio (Author) 

2008

• [ ] Fidelio - Beethoven - Opernhaus Zürich 2008 (Writer) 

2015

• [ ] Beethoven: Fidelio - Salzburg Festival (Writer) 

2020

• [ ] Beethoven: Fidelio (Writer)