Voss, S. (2005). Did Bach Perform Sacred Music by Johann Mattheson in Leipzig? Bach Notes.
Lua i Stíl Chicago (17ú heag.)Voss, Steffen. "Did Bach Perform Sacred Music by Johann Mattheson in Leipzig?" Bach Notes 2005.
Lua MLA (8ú heag.)Voss, Steffen. "Did Bach Perform Sacred Music by Johann Mattheson in Leipzig?" Bach Notes, 2005.
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