Ludwig van Beethoven, Brief an Tobias Haslinger, Baden, 10. September 1821, Autograph https://www.beethoven.de/de/media/view/6620814954725376/Ludwig+van+Beethoven%2C+Brief+an+Tobias+Haslinger%2C+Baden%2C+10.+September+1821%2C+Autograph?fromArchive=5186597498650624
Ludwig van Beethoven, Brief an Tobias Haslinger, Baden, 10. September 1821, Autograph
Tobias Haslinger war oftmals Ziel solcher freundlichen Spötteleien, ebenso wie Sigmund Anton Steiner,