van Beethoven, Brief an Nikolaus Simrock in Bonn, Wien https://www.beethoven.de/de/media/view/6714165934686208/Ludwig+van+Beethoven%2C+Brief+an+Nikolaus+Simrock+in+Bonn%2C+Wien%2C+26.+April+1807?fromWork=5424910335737856
van Beethoven, Brief an Nikolaus Simrock in Bonn, Wien
Andere Bonner Beethoven-Häuser Beethoven-Häuser in Wien