Libros
Beethoven's Letters 1790-1826, Volume 1
1827
Beethoven, the Man and the Artist, as Revealed in His Own Words
1827
Beethoven's Letters 1790-1826, Volume 2
1827
Beethoven Piano Sonata No. 23 Op. 57 “Appassionata”
2006
Beethoven Piano Sonata No. 25 Op.79
2017
Beethoven Piano Sonata N0 7 Op. 10 No. 3
2016