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Source:
p. 11, b. 281-295
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In each of these bars, in FE, there is a 
before the 1st semiquaver in the L.H.; however, in the further part of the passage, respective notes in other octaves are devoid of marks (except for the before c in bar 293). These patent inaccuracies, repeated almost certainly after [A], were corrected in the remaining editions.
Compare the passage in the sources»
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, Inaccuracies in FE, GE revisions
notation: Pitch
Missing markers on sources:
GE1, GE2, FE1, FED, FEH, FEJ, FES, GE3, EE1, EE2, EE3, Atut, GE2a, FEFo