Page: 
Source: 
p. 9, b. 141-161
p. 1
p. 2, b. 1-32
p. 3, b. 33-54
p. 4, b. 55-69
p. 5, b. 70-84
p. 6, b. 85-98
p. 7, b. 99-117
p. 8, b. 118-140
p. 9, b. 141-161
p. 10, b. 162-182
p. 11, b. 183-198
p. 12, b. 199-213
p. 13, b. 214-226
p. 14, b. 227-236
p. 15, b. 237-246
p. 16, b. 247-261
p. 17, b. 262-279
p. 18
EE2 - Changed impression of EE1
Main text
FE - French edition
FE1 - First French edition
FED - Dubois copy
GE - German edition
GE1 - First German edition
GE1a - Retouched impression of GE1
GE2 - Second German edition
GE3 - Corrected impression of GE2
EE - English edition
EE1 - First English edition
EE2 - Changed impression of EE1
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FE - French edition
FE1 - First French edition
FED - Dubois copy
GE - German edition
GE1 - First German edition
GE1a - Retouched impression of GE1
GE2 - Second German edition
GE3 - Corrected impression of GE2
EE - English edition
EE1 - First English edition
EE2 - Changed impression of EE1
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  b. 142

There are no accidentals before the 4th and 8th semiquavers in FE (→EE,GE). The natural put before c4, the last note in the bar, proves that Chopin considered the  from before the 1st quaver of the bar to be valid up until this place, thus regarding the aforementioned notes as c2 and c3 (cf. a similar situation in b. 144). In accordance with the contemporary rules of chromatic orthography, we provide the discussed notes with sharps.

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category imprint: Interpretations within context

issues: Accidentals in different octaves, Cautionary accidentals

notation: Pitch

Missing markers on sources: EE2, EE1, FE1, FED, GE1, GE1a, GE2, GE3