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Source:
p. 13, b. 316-342
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FE has a cautionary 
before b3 in bar 322. It must be a mistake – the accidental should have been placed at the pitch of a3. The error was corrected both in GE and EE, both also added an analogous in bar 326.
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category imprint: Differences between sources
issues: EE revisions, Errors in FE, GE revisions, Cautionary accidentals
notation: Pitch
Missing markers on sources:
FE1, FED, FEH, FEJ, FES, GE1, GE2, GE3, EE1, EE2, EE3, GE2a, FEFo