Page: 
Source: 
p. 3, b. 57-88
p. 1, b. 1-28
p. 2, b. 29-56
p. 3, b. 57-88
p. 4, b. 89-120
A - Autograph
Main text
A - Autograph
GE - German edition
GE1 - First German edition
GE2 - Second German edition
GE3 - Revised impression of GE2
FE - French edition
FE1 - First French Edition
FED - Dubois copy
FES - Stirling copy
EE - English edition
EE1 - First English Edition
EE2 - Second impression of EE1
EE3 - Revised impression of EE2
Select notes: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Notation
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Differences
No differences
A - Autograph
GE - German edition
GE1 - First German edition
GE2 - Second German edition
GE3 - Revised impression of GE2
FE - French edition
FE1 - First French Edition
FED - Dubois copy
FES - Stirling copy
EE - English edition
EE1 - First English Edition
EE2 - Second impression of EE1
EE3 - Revised impression of EE2
Importance
All
Important
Main
Prezentacja
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copy link PDF A - Autograph


  b. 57

There are traces of corrections at the beginning of this bar in A. The note A flat1 was entered by Chopin instead of a deleted chord, most probably the same as the two further chords . 

Compare the passage in the sources»

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A, Accompaniment changes

notation: Pitch

Missing markers on sources: GE1, GE2, GE3, FE1, EE1, EE2, EE3, FED, FES