| HartW 41 |
1858
Ouverture til Oehlenschlægers Tragedie "Correggio"
Overture to Oehlenschläger's Tragedy "Correggio" 
|
| HartW 42 |
1863-1864
En Efteraarsjagt
| Koncertouverture for Orkester
An Autumn Hunt | Concert Overture for Orchestra 
|
| HartW 43 |
1879
Indledningsmusik ved Universitetets Jubelfest (Festmarch ved Universitetets Jubelfest)
Prelude for the University Jubilee Feast 
|
| HartW 44 |
1881
Marsch til Skyttefesten i Nyborg den 10de og 11te Juli 1881 (Festmarsch til Skyttefesten i Nyborg d. 10. og 11. Juli 1881)
March for the Marksmen's Festival in Nyborg on 19 and 11 July 1881 
|
| HartW 45 |
1884-1884
Karacteerstykker for Strygeorchester No. 1 - 3
Character Pieces Nos. 1-3 for Strings 
|
| HartW 46 |
1886
Andante for Orgel og Messingblæsere
Andante for Organ and Brass 
|
| HartW 47 |
1891
Fra Musikforeningens Mindefest for Niels W. Gade Februar 1891 (Til Prologen ved Musikforeningens Mindefest over N.W. Gade)
From the The Music Society's Feast in Commenmoration of Niels W. Gade February 1891 
|
| HartW 48 |
1897
Ved Afsløringen af Mindesmærket for Niels W. Gade 24. Juni 1897
At the Unveiling of the Monument for Niels W. Gade on 24 June 1897 
|
| HartW 49 |
Kvartet for violin, bratsch, cello og klaver
Piano Quartet 
|
| HartW 50 |
1825
Sonate for fløjte og klaver i B-dur
Sonata for Flute and Piano in Bb Major 
|
| HartW 51 |
1826
Sonate for klaver 4 hænder i C-dur
Sonata for Piano Four Hands in C Major 
|
| HartW 52 |
1827
Sonate nr. 1 for violin og klaver i g-mol
Sonata No. 1 for Violin and Piano in G Minor 
|
| HartW 53 |
1833
Canon duplex à 8to vocibus
|
| HartW 54 |
1833
Canon par Fr: Kuhlau
|
| HartW 55 |
1837
Gallopade for 4 Hænder
Gallopade for Four Hands 
|
| HartW 56 |
1840
Sonate nr. 2 for violin og klaver i C-dur
Sonata No. 2 for Violin and Piano in C Major 
|
| HartW 57 |
1844
Præludium for fløjte og orgel
Prelude for Flute and Organ 
|
| HartW 58 |
1887-1889
Fantasie-Allegro für Violine und Klavier
Fantasia Allegro for Violin and Piano 
|
| HartW 59 |
1849
Tema med variationer for klaver, violin og cello
Theme and Variations for Piano, Violin and Violoncello 
|
| HartW 60 |
1864
Menuetto
|
