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3-e3 in 
GC has the third a2-c sharp3 in the upper voice. The fact that EE and FE consistently have a different version testifies to Gutmann's error, quite often to be found in his copies (cf. bar 100). GE also has the correct version.
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category imprint: Differences between sources
issues: Terzverschreibung error, GE revisions, Errors of GC
notation: Pitch