Louis Spohr, Brief an Franz Carl Anton und Peter Joseph Simrock in Bonn, Kassel, 1. Januar 1833, Autograph https://www.beethoven.de/de/media/view/4873044552056832/Louis+Spohr%2C+Brief+an+Franz+Carl+Anton+und+Peter+Joseph+Simrock+in+Bonn%2C+Kassel%2C+1.+Januar+1833%2C+Autograph?fromArchive=6312497405493248
Louis Spohr, Brief an Franz Carl Anton und Peter Joseph Simrock in Bonn, Kassel, 1. Januar 1833, Autograph
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