Notes in order of opus number: 'Notes on some of Beethoven's Dances and Marches', n.d. 'Problems of the op. 33 Bagatelles', 1974-1975. 'Sketches for the Triple concerto, op. 56 in Mendelssohn 15', n.d. 'Making of the Fifth Symphony [op. 67], n.d. Photographs of autographs are now kept the Beethoven photos.