51. _Two Rondos_ for piano; No. 1 in C major, published 1798 (?); No. 2 in G major, dedicated to the Countess Henriette von Lichnovsky; published 1802. 52. _Eight Songs_; words by Claudius, Sophie von Mereau, Burger, Goethe, and Lessing; partly composed in Bonn before 1792. 53. _Grand Sonata_ for piano, in C major; dedicated to Count Waldstein; composed in 1803 (?). 54. _Sonata_ for piano, in F major; composed 1803 (?). 55. _Third Symphony_ (Eroica) for orchestra, in E flat; dedicated to Prince Lobkovitz; composed 1803-4. 56. _Triple Concerto_ for piano, violin and violoncello, with orchestra, in C major; composed 1804-5. 57. _Grand Sonata_ for piano and orchestra, in G major; dedicated to the Count von Brunswick; composed 1804. 58. _Fourth Concerto_ for piano and orchestra, in G major; dedicated to the Archduke Rudolph; composed 1806 (?). 59. _Three Quartets_ for two violins, viola, and violoncello, in F major, E minor, and C major; dedicated to Prince Rasumovsky; composed 1806. 60. _Fourth Symphony_ for orchestra, in B flat; dedicated to Count Oppersdorf; composed 1806. 61. _Concerto_ for violin and orchestra, in D major; dedicated to Stephan von Breuning; composed 1806. 62. _Overture, "Coriolanus,"_ in C minor; dedicated to the dramatist, Heinrich von Collin; composed 1807. 63. _Sonata_ for piano, violin, and violoncello (from the Octet, Op. 103); published 1807. 64. _Sonata_ for piano, violin, and violoncello (from the Trio, Op. 3); published 1807. 65. _Scena and Aria, "Ah, perfido!"_ for soprano voice and orchestra; dedicated 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 _Zauberflote_; published 1798. 67. _Fifth Symphony_ for orchestra, in C minor; dedicated to Prince Lobkovitz and Count Rasumovsky; composed 1808 (?). 68. _Sixth Symphony (Pastoral)_ for orchestra, in F major; dedicated to Prince Lobkovitz and Count Rasumovsky; composed 1808 (?). 69. _Sonata_ for piano and violoncello, in A major; dedicated to Baron von Gleichenstein; published 1809. 70. _Two Trios_ for piano, violin, and violoncello, in D major and E flat major; dedicated to the Countess Marie Erdödy; composed 1808. 71. _Sextet_ for two clarionets, two flutes, and two bassoons; performed 1804-5. 72. _Fidelio (Leonora)_ opera in two acts; composed 1804-5. 73. _Fifth Concerto_ for piano and orchestra in E flat; dedicated to the Archduke Rudolph; composed 1809. 74. _Quartet_ (tenth) for two violins, viola, and violoncello, in E flat; dedicated to Prince Lobkovitz; composed 1809. 75. _Six Songs_; words by Goethe and Reissig; dedicated to the Princess Kinsky; composed 1810.