Gassner, Brief an Franz Gerhard Wegeler in Koblenz, Karlsruhe https://www.beethoven.de/de/media/view/5865510092668928/Ferdinand+Simon+Gassner%2C+Brief+an+Franz+Gerhard+Wegeler+in+Koblenz%2C+Karlsruhe%2C+10.+Februar+1846%2C+Autograph?fromArchive=6312497405493248
Gassner, Brief an Franz Gerhard Wegeler in Koblenz, Karlsruhe
Gassner, Brief an Franz Gerhard Wegeler in Koblenz, Karlsruhe