Pianolibrary.org is looking for contributors.

Ludwig van Beethoven

Works by the Hess catalogue

Works are identified by the catalogue of Willy Hess (Verzeichnis der nicht in der Gesamtausgabe veröffentlichen Werke Ludwig van Beethovens; Breitkopf & Härtel, 1957). The scope of the catalogue is precisely those works not included in the Gesamtausgabe (Ludwig van Beethovens Werke; Breitkopf & Härtel, 1862–1865, with 1888 supplement) and, consequently, includes some works that also have opus, WoO or Anh. numbers (the latter two from the the catalogue of Kinsky and Halm).

Various orchestral works
4: Ecossaise in G major, WoO 23 [arrangement by Carl Czerny]
5: Twelve deutsche Tänze, WoO 13 [arrangement]

Chamber music for strings
27: Seven ländlerische Tänze, WoO 11 [arrangement]
41: Andante maestoso from the string quintet in C major, WoO 62 [arrangement by Anton Diabelli]

Works for piano two hands
51: Rondo in C major, WoO 48
52: Sonata in C major [lost]
53: Sonatina in F major, WoO 50
54: Variations on Freudvoll und Leidvoll [lost]
55: Variations on Venni Amore, WoO 65 [supposed first version, which, after discovery, was found to be virtually identical with the better-known later version]
56: Piece in G minor, WoO 61a
57: Bagatelle in C major
58: Exercise in B-flat major
59: Exercise in C major
60: Sketch in A major
61: Anglaise in D major, WoO 212
62: Piece in B minor, WoO 61
63: Kaplied [arrangement of a song by Christian Friedrich Daniel Schubart]
64: Fugue in C major, WoO 215
65: Kleines Konzertfinale in C major
66: Allegretto in C minor [second version of the Allegretto in C minor (WoO 53)]
67: Two deutsche Tänze
68: Waltz (Ländler) in C minor, WoO 219
69: Bagatelle in C minor, WoO 214
70: Adagio ma non molto in G major [sketch]
71: Molto adagio in G major [sketch]
72: Variation in A major
73: Bagatelle in C major, WoO 216 no. 1
74: Bagatelle in E-flat major, WoO 216 no. 2
75: Theme for Archduke Rudolph, WoO 200

Cadenzas to the piano concertos
These are in addition to the well-known cadenzas given in the Gesamtausgabe (Ludwig van Beethovens Werke, series IX no. 70a, Cadenzen zu Pianoforte-Concerten; Breitkopf & Härtel, 1864): three for the first movement of the piano concerto no. 1 in C major (op. 15), one for the first movement of the piano concerto no. 2 in B-flat major (op. 19), one for the first movement of the piano concerto no. 3 in C minor (op. 37), one for the first movement and two for the third movement of the piano concerto no. 4 in G major (op. 58), and one for the first movement and one for the transition between the second and third movements of the violin concerto in D major (op. 61, in the arrangement for piano and orchestra).
76: Cadenza for the piano concerto no. 1 in C major (op. 15) [sketch]
77: Cadenza for the first movement of the piano concerto no. 1 in C major (op. 15) [either lost or confused with the three well-known cadenzas for the first movement of the concerto]
78: Cadenza for the second movement of the piano concerto no. 1 in C major (op. 15) [either lost or confused with the three well-known cadenzas for the first movement of the concerto]
79: Cadenza for the first version of the piano concerto no. 2 in B-flat major (op. 19) [sketches]
80: Cadenza for the first movement of the piano concerto no. 3 in C minor (op. 37) [spurious, by Sigismond Thalberg]
81: Cadenza for the first movement of the piano concerto no. 4 in G major (op. 58)
82: Cadenza for the third movement of the piano concerto no. 4 in G major (op. 58)
83: Cadenza for the third movement of the piano concerto no. 4 in G major (op. 58)
84: Cadential passage for the third movement of the violin concerto in D major (op. 61, in the arrangement for piano and orchestra)
85: Cadenza for the third movement of the violin concerto in D major (op. 61, in the arrangement for piano and orchestra)

Piano arrangements by Beethoven
87: March in B-flat major, WoO 29
88: Minuet in A-flat major, WoO 209
89: Musik zu einem Ritterballett, WoO 1
90: Die Geschöpfe des Prometheus, op. 43
96: Symphony no. 7 in A major, op. 92
97: Wellingtons Sieg, op. 91
98: Scherzo from the piano trio in G major, op. 1 no. 2
99: March in F major, WoO 18
100: Twelve deutsche Tänze, WoO 8
101: Twelve Minuets, WoO 7
102: Twelve Contredanses, WoO 14

Unauthenticated and misattributed works
A 20: Rondo in B-flat major, Anh. 6 [by Kaspar Karl van Beethoven]
A 21: Bagatelle in G major, op. 119 no. 12 [arrangement of the song An Laura (WoO 112 = Hess 128), included in an early edition of the eleven bagatelles (op. 119)]
A 22: Funeral March in C minor [by Wolfgang Amadeus Mozart (the Kleiner Trauermarsch, KV 453a)]
A 23: Introduction and Waltz in F major, Anh. no. 17
A 27: Waltz in A-flat major (Sehnsuchtswalzer), Anh. 14 no. 1 [by Franz Schubert (arrangement of D 365 no. 2 with D 972 no. 2 as the trio)]
A 28: Waltz in F minor (Schmerzenswalzer), Anh. 14 no. 2
A 29: Waltz in E-flat major (Hoffnungswalzer), Anh. 14 no. 3
A 30: Waltz in A major (Geisterwalzer), Anh. 14 no. 4
A 31: Waltz in F major, Anh. 14 no. 5
A 32: Waltz in D-flat major, Anh. 14 no. 6
A 33: Waltz in C-sharp major (Jubelwalzer), Anh. 16 no. 1
A 34: Waltz in B-flat major (Gertruds Traumwalzer), Anh. 16 no. 2
A 35: Waltz in E-flat major (Sonnenscheinwalzer), Anh. 16 no. 3
A 36: Waltz in A-flat major (Mondscheinwalzer), Anh. 16 no. 4
A 37: Waltz in F major (Glaube, Liebe und Hoffnung), Anh. 15