Moscheles, Clara
| Moritz Hauptmann an Louis Spohr in Kassel | Leipzig, Mittwoch 3. November 1858 | 1858110333 |
| Louis Spohr an Moritz Hauptmann in Leipzig | Kassel, Sonnabend 6. November 1858 | 1858110603 |
| Moritz Hauptmann an Louis Spohr in Kassel | Leipzig, Freitag 19. November 1858 | 1858111933 |