Antient Concert Society <Dublin>
| Joseph Robinson an Louis Spohr in Kassel | Dublin, Montag 7. Mai 1855 | 1855050747 |
| Louis Spohr an Joseph Robinson in Dublin (erschlossen) | Kassel, Mitte Mai 1855 | 1855051517 |
| Louis Spohr an Joseph Robinson in Dublin | Kassel, Freitag 4. April 1856 | 1856040417 |
| Joseph Robinson an Louis Spohr in Kassel | Dublin, Donnerstag 10. April 1856 | 1856041047 |
| Joseph Robinson an Louis Spohr in Kassel | Dublin, Mittwoch 23. April 1856 | 1856042347 |