Adolph Hesse an Louis Spohr in Kassel | Breslau, Mittwoch 3. August 1836 | 1836080331 |
Adolph Hesse an Louis Spohr in Kassel | Breslau, Donnerstag 3. August 1837 | 1837080331 |
Louis Spohr an Adolph Hesse in Breslau | Kassel, Mittwoch 28. Februar 1838 | 1838022801 |
Louis Spohr an Adolph Hesse in Breslau | Kassel, Freitag 18. Mai 1838 | 1838051801 |