Louis Spohr, Brief an Peter Joseph Simrock in Köln, Aachen https://www.beethoven.de/de/media/view/6545044114767872/Louis+Spohr%2C+Brief+an+Peter+Joseph+Simrock+in+K%C3%B6ln%2C+Aachen%2C+27.+August+1817%2C+Autograph?fromArchive=5094719558254592
Louis Spohr, Brief an Peter Joseph Simrock in Köln, Aachen
Louis Spohr, Brief an Peter Joseph Simrock in Köln, Aachen