An Opera In Two Acts. Libretto By Joseph Sonnleithner With Successive Revisions By Stephan Von Breuning And Friedrich Treitschke. Vocal Score Newly Rev. By Gustav F. Kogel. English Version By Theodore Baker, With An Essay On The Story Of The
Ludwig van Beethoven, Peter Hauschild, Jochen Reutter, Boris Bloch, Pavel Gililov, Leonard Hokanson, Hans Kann, Jacob Lateiner, Gunter Ludwig, Naoyuki Taneda