(Except Major Piano Trios)

• WoO36. Three Quartets for pianoforte, violin, viola and bass in E-flat, D, and C. Composed in 1785. Published Vienna, 1828. (Autograph gives 'clavecin' instead of pianoforte).

• WoO 37. Trio in G, for pianoforte, flute, and bassoon. Composed in 1786. (Autograph gives 'clavicembalo' instead of pianoforte).

• Hess 48. Allegretto in E-flat, pianoforte trio. Composed about 1790-1792. Published London, 1955.

• WoO 40. Variations in F on 'Se vuol ballare' from 'Le nozze di Figaro', for pianoforte, violin. Composed in 1793-1793. Dedicated to Eleonore von Breuning. Published Vienna, 1793.

• WoO 41. Rondo in G for pianoforte and violin. Composed in 1793-1794. Published Bonn, 1808.

• WoO 43a. Sonatina in c, for pianoforte and mandolin. Composed in 1796. (Probably for Countess de Clary).

• WoO 43b. Adagio in E-flat for pianoforte and mandolin. Composed in 1796. (Probably for Countess de Clary; a slightly variant version published in 'Sudetendeutsches Musikarchiv' (1940), no. 2).

• WoO 44a. Sonatina in C, for pianoforte and mandolin. Composed in 1796. (Probably for Countess de Clary). Published in 'Der Merker', iii (1912).

• WoO 44b. Andante and Variations in D, for pianoforte and mandolin. Composed in 1796. (Probably for Countess de Clary). Published in 'Sudetendeutsches Musikarchiv'(1940), no. 1.

• WoO 42. Six German Dances for pianoforte, violin. (See collection of dances).

• WoO 45. Variations in G on 'See the conqui'ring hero comes' from Judas Maccabaeus, for pianoforte and violoncello. Composed in 1796. Dedicated to Princess Christiane von Lichnowsky. Published Vienna, 1797.

• op. 66. Variations in F on 'Ein Maedchen oder Weibchen' from 'Die Zauberfloete', for piano and violoncello. Composed in 1796. Published Vienna, 1798.

• op. 16. Quintet in E-flat for pianoforte, oboe, clarinet, horn and bassoon. Composed in 1796. Dedicated to Prince Joseph Johann zu Schwarzenberg. Published Vienna, 1801.

• op. 11. Trio in B-flat for pianoforte, clarinet/violin and violoncello. Composed in 1797. Dedicated to Countess Maria Wilhelmine von Thun. Published Vienna, 1798.

• op. 12. Three Violin Sonatas, in D, A, and E-flat. Composed in 1797 - 1798. Published Vienna, 1799. Dedicated to Antonio Salieri.

• op. 17. Horn Sonata in F. Composed in 1800. Dedicated to Baroness Josefine von Braun. Published Vienna, 1801.

• WoO 46. Variations in E-flat on 'Bei Maennern, welche Liebe fuehlen' from 'Die Zauberfloete', for pianoforte and violoncello. Composed in 1801. Dedicated to Count von Browne. Published Vienna, 1802.

• op. 44. Variations in E-flat on an original theme, pianoforte trio. Sketched in 1792. Published Leipzig, 1804.

• op. 38. Trio in E-flat for pianoforte, clarinet/violin, violoncello. (Arrangement of Septet op. 20). Probably written in 1803. Dedicated to Professor Johann Adam Schmidt. Published Vienna, 1805.

• op. 121a. Variations in G on Wenzel Mueller's 'Ich bin der Schneider Kakadu', pianoforte trio. Probably composed in 1803, revised in 1816. (Probably offered for publication in 1803; surviving autograph dates from ca. 1816-1817). Published Vienna and London, 1824.

• op. 42. Notturno in D, for pianoforte and viola. (Arrangement of Serenade op. 8). Composed in 1803. (Arrangement approved and corrected by Beethoven, but largely the work of someone else). Published Leipzig, 1804.

• WoO 39. Allegretto in B-flat, pianoforte trio. Composed in 1812. Dedicated to Maximiliane Brentano. Published Frankfurt am Main, 1830.

• op. 105. Six National Airs with Variations for pianoforte, flute and violin. Composed ca. 1818. Published London, Edinburgh and Vienna. 1819.

• op. 107. Ten National Airs with Variations for pianoforte, flute and violin. Composed ca. 1818. Published London and Edinburgh, 1819 [nos. 2, 6 and 7], Bonn and Cologne, 1820 [completed]