Sängerfest <Wernigerode>
| Friedrich Wilhelm Markull an Louis Spohr in Kassel | Berlin, Sonntag 10. August 1856 | 1856081044 |
| Friedrich Wilhelm Markull an Louis Spohr in Kassel | Berlin, Sonntag 10. August 1856 | 1856081044 |
| Friedrich Wilhelm Markull an Louis Spohr in Kassel | Berlin, Sonntag 10. August 1856 | 1856081044 |
| Friedrich Wilhelm Markull an Louis Spohr in Kassel | Berlin, Sonntag 10. August 1856 | 1856081044 |