Louis Spohr an August Theodor Whistling in Leipzig | Kassel, Dienstag 30. Oktober 1855 | 1855103020 |
August Theodor Whistling an Louis Spohr in Kassel | Leipzig, Sonnabend 10. November 1855 | 1855111050 |
Louis Spohr an August Theodor Whistling in Leipzig | Kassel, Sonnabend 17. November 1855 | 1855111720 |
Louis Spohr an August Theodor Whistling in Leipzig | Kassel, Freitag 4. Januar 1856 | 1856010420 |