GE1
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The autographs are lacking in cautionary accidentals in this bar. In FE (→EE) a 
was added before the d
crotchet; the sign is also present in GE. Moreover, in EE a was added before the c1 crotchet. In the main text we include both accidentals.
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category imprint: Differences between sources; Editorial revisions
issues: EE revisions, Cautionary accidentals, FE revisions
notation: Pitch