EE1
Main text
A - Autograph
FC - Fontana's copy
CGS - Copy by George Sand
FE - French edition
FE1 - First French edition
FE2 - Corrected impression of FE1
FED - Dubois copy
FEJ - Jędrzejewicz Copy
FES - Stirling copy
FESch - Scherbatoff copy
GE - German edition
GE1 - First German edition
GE2 - Revised impression of GE1
GE3 - Corrected impression of GE2
EE - English edition
EE1 - First English edition
EE1a - Corrected impression of EE1
EE2 - Revised impression of EE1a
compare
  b. 8

In A (→FC,FEEE1) and CGS there is no  lowering b to b. Chopin's mistake, obvious in this context, was corrected in GE and EE2. The fact that Chopin was convinced of the presence of b in the preceding part of the bar is evidenced by the naturals written in A before B1 and b on the 4th beat of the bar. 

Compare the passage in the sources »

category imprint: Interpretations within context; Differences between sources

issues: EE revisions, GE revisions, Omission of current key accidentals, Errors of A, Errors repeated in FE, Errors repeated in EE

notation: Pitch

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Original in: Pierpont Morgan Library, Nowy Jork