42. _Notturno_ for piano and violoncello, in D major (from Op. 8); pub. 1804. 43. _Ballet_: "_The Men of Prometheus_;" composed 1800. 44. _Fourteen Variations_ for piano, violin, and violoncello, on an original theme; composed 1802 (?). 45. _Three Marches_ for piano, for four hands, in C major, E flat major, and D major; ded. to the Princess Esterhazy; composed 1802 (? 1801). 46. _Adelaïde_: words by Matthison; composed 1796. 47. _Sonata_ for piano and violin, in A major; ded. to the violinist Rudolph Kreutzer; composed 1803. 48. _Six Spiritual Songs_, by Gellert; pub. 1803. 49. _Two Easy Sonatas_ for piano, in G minor and G major; composed 1802 (?). 50. _Romance_ for violin and orchestra, in F major; composed in 1802 (?). 51. _Two Rondos_ for piano: No. 1 in C major; pub. 1798 (?); No. 2 in G major: ded. to the Countess Henriette von Lichnowski; pub. 1802. 52. _Eight Songs_: words by Claudius, Sophie von Mereau, Bürger, Goethe, and Lessing; partly composed in Bonn before 1792. 53. _Grand Sonata_ for piano, in C major; ded. to Count Waldstein; composed in 1803 (?). 54. _Sonata_ for piano, in F major; composed 1803 (?). 55. _Third Symphony_ (Eroica) for orchestra, in E flat; ded. to Prince Lobkowitz; composed 1803-4. 56. _Triple Concerto_ for piano, violin, and violoncello, with orchestra, in C major; composed 1804-5. 57. _Grand Sonata_ for piano, in F minor; ded. to the Count von Brunswick; composed 1804. 58. _Fourth Concerto_ for piano and orchestra, in G major; ded. to the Archduke Rudolph; composed 1806 (?). 59. _Three Quartets_ for two violins, viola, and violoncello, in F major, E minor, and C major; ded. to Prince Rasoumowski; composed 1806. 60. _Fourth Symphony_ for orchestra, in B flat; ded. to Count Oppersdorf; composed 1806. 61. _Concerto_ for violin and orchestra, in D major; ded. to Stephan von Breuning; composed 1806. 62. _Overture_: "_Coriolanus_," in C minor; ded. to the dramatist Heinrich von Collin; composed 1807. 63. _Sonata_ for piano, violin, and violoncello (from the Octet, Op. 103); pub. 1807. 64. _Sonata_ for piano, violin, and violoncello (from the Trio, Op. 3); pub. 1807. 65. _Scena and Aria_: "_Ah, perfido!_" for soprano voice and orchestra; ded. to the Countess Clari; composed 1796. 66. _Twelve Variations_ for piano and violoncello, in F major, on the theme, "_Ein Mädchen oder Weibchen_," from Mozart's "_Zauberflöte_;" pub. 1798. 67. _Fifth Symphony_ for orchestra, in C minor; ded. to Prince Lobkowitz and Count Rasoumowski; composed 1808 (?). 68. _Sixth Symphony_ (_Pastorale_) for orchestra, in F major; ded. to Prince Lobkowitz and Count Rasoumowski; composed 1808 (?). 69. _Sonata_ for piano and violoncello, in A major; ded. to Baron von Gleichenstein; pub. 1809.