26. Sonata for piano, in A flat; ded. to Prince Lichnowski; composed 1801.
27. Two Sonatas, quasi Fantasia, for piano, No. 1 in E flat major; ded. to the Princess Liechtenstein; No. 2 in C sharp minor; ded. to the Countess Julia Guicciardi; composed 1801 (?).
28. Sonata for piano, in D major; ded. to M. von Sonnenfels; composed 1801.
29. Quintet for two violins, two violas, and violoncello, in C major; ded. to Count von Fries; composed 1801.
30. Three Sonatas for piano and violin, in A major, C minor, and G major; ded. to the Emperor Alexander I. of Russia; composed 1802.
31. Three Sonatas for piano, in G major, D minor, and E flat major; composed 1802 (?).
32. "To Hope," words from the "Urania" of Tiedge; pub. 1805 (first setting, see Op. 94).
33. Bagatelles for piano; composed 1782.
34. Six Variations for piano, in F major, on an original theme; ded. to the Princess Odescalchi; composed in 1802 (?).
35. Fifteen Variations, with a Fugue; for piano, on a theme from "Prometheus," ded. to Count Moritz Lichnowski; composed 1802.