16. _Quintet_ for piano, clarionet, oboe, bassoon, and horn, in E flat major; ded. to the Prince von Schwarzenberg; performed 1798. 17. _Sonata_ for piano and horn in F major; ded. to the Baroness Braun; composed 1800. 18. _Six Quartets_ for two violins, viola, and violoncello, in F major, G major, D major, C minor, A major, and B flat major; ded. to Prince Lobkowitz; pub. 1800-1801. 19. _Second Concerto_ for piano and orchestra, in B flat major; ded. to M. von Nickelsberg; composed 1798. 20. _Grand Septet_ for violin, viola, violoncello, horn, clarionet, bassoon, and double-bass, in E flat; performed 1800. 21. _First Symphony_ for orchestra, in C major; ded. to the Baron van Swieten; performed 1800. 22. _Grand Sonata_ for piano, in B flat; ded. to the Count von Browne; composed 1800. 23. _Sonata_ for piano and violin, in A minor; ded. to Count Moritz von Fries; pub. 1801. 24. _Sonata_ for piano and violin, in F major; ded. to Count Moritz von Fries; pub. 1801 (originally together with Op. 23). 25. _Serenade_ for flute, violin, and viola, in D major; pub. 1802. 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. 36. _Second Symphony_ for orchestra, in D major; ded. to Prince Lichnowski; composed 1802. 37. _Third Concerto_ for piano and orchestra, in C minor; ded. to Prince Louis Ferdinand of Prussia; composed 1800. 38. _Trio_ for piano, clarionet (or V.), and violoncello (from the Septet, Op. 20); published 1805. 39. _Two Preludes_ through all the major and minor keys, for piano or organ; composed 1789. 40. _Romance_ for violin and orchestra, in G major; composed 1802 (?). 41. _Serenade_ for piano and flute (or V.), in D major (from Op. 25); pub. 1803.