Ludwig van Beethoven, Brief an Breitkopf & Härtel in Leipzig https://www.beethoven.de/de/media/view/5907094469345280/Ludwig+van+Beethoven%2C+Brief+an+Breitkopf+%26+H%C3%A4rtel+in+Leipzig%2C+Wien%2C+Mai+1805%2C+Autograph?fromWork=5107490341519360
Ludwig van Beethoven, Brief an Breitkopf & Härtel in Leipzig
Ludwig van Beethoven, Brief an Breitkopf & Härtel in Leipzig