Page: 
Source: 
p. 2, b. 33-64
p. 1, b. 1-32
p. 2, b. 33-64
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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
EE3 - Revised impression of EE1
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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
EE3 - Revised impression of EE1
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  b. 33

B flat in A (→GE)

B flat1 in FE (→EE)

The change of the 1st crotchet from B flat to B flat1 in the proofing of FE (→EE) definitely comes from Chopin.

Compare the passage in the sources»

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes, Authentic corrections of FE

notation: Pitch