Books
Beethoven's Letters 1790-1826, Volume 1
1827
Beethoven's Letters 1790-1826, Volume 2
1827
Beethoven, the Man and the Artist, as Revealed in His Own Words
1827
Beethoven Moonlight Sonata Op.27 No.2
2016
Beethoven Grande Sonate Pathetique Op. 13
2016
Beethoven Piano Sonata No. 23 Op. 57 “Appassionata”
2006