Paganini, Niccolò : Sonata a Preghiera, Vl Orch, M.S. 23
| Niccolò Paganini an Louis Spohr in Kassel | Kassel, Sonnabend 29. Mai 1830 | 1830052943 |
| Thomas Barker an Louis Spohr in Kassel | Thirkleby Thirsk, Dienstag 15. Dezember 1835 | 1835111514 |
| Niccolò Paganini an Louis Spohr in Kassel | Kassel, Sonnabend 29. Mai 1830 | 1830052943 |
| Thomas Barker an Louis Spohr in Kassel | Thirkleby Thirsk, Dienstag 15. Dezember 1835 | 1835111514 |