Piatti, Alfredo

Louis Spohr an Ferdinand David in Leipzig Kassel, Dienstag 9. November 1852 1852110910
Bernhard Hildebrand-Romberg an Louis Spohr in Kassel London, Freitag 6. Mai 1853 1853050643
John Ella an Louis Spohr in London London, Montag 4. Juli 1853 1853070413