Wieniawski, Henryk
| Adolph Hesse an Louis Spohr in Kassel | Breslau, Mittwoch 18. November 1857 | 1857111831 |
| Bernhard Hildebrand-Romberg an Louis Spohr in Kassel | Hamburg, Montag 11. Januar 1858 | 1858011143 |
| Adolph Hesse an Louis Spohr in Kassel | Breslau, Mittwoch 18. November 1857 | 1857111831 |
| Bernhard Hildebrand-Romberg an Louis Spohr in Kassel | Hamburg, Montag 11. Januar 1858 | 1858011143 |