Page:
Source:
p. 20, b. 476-495
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FE (→EE1) contain two cautionary accidentals in this bar – a 
before f
3 (the 3rd semiquaver) and a 
before a on the 4th quaver. GE are devoid of those accidentals (which means that they were added in the last phase of the proofreading of FE); in turn, sharps were added before g3 and g. The former was added also in EE2 (→EE3). In the main text, we include all the above accidentals and also add a before c3. There is a similar situation in bar 487.
Compare the passage in the sources»
category imprint: Differences between sources; Editorial revisions
issues: EE revisions, GE revisions, Cautionary accidentals
notation: Pitch
Missing markers on sources:
FE1, FED, FEH, FEJ, FES, GE1, GE2, GE3, EE1, EE2, EE3, GE2a, FEFo