Page: 
Source: 
p. 1, b. 1-14
p. 1, b. 1-14
p. 2, b. 15-32
p. 3, b. 33-50
p. 4, b. 51-69
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Main text
AT - Autograph of a fragment
AW - Presentation Autograph
CDP - Copy for Delfina Potocka
GC - Gutmann's Copy
FE - French edition
FE1 - First French edition
FE2 - Corrected reprint of FE1
FED - Dubois copy
FEJ - Jędrzejewicz copy
FES - Stirling copy
GE - German edition
GE1 - First German edition
GE1a - Corrected reprint of GE1
GE1b - Flawed impression of GE1
GE2 - Second German edition
GE3 - Revised impression of GE2
EE - English edition
EE1 - First English edition
EE2 - Corrected reprint of EE1
EE3 - Revised impression of EE2
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Articulation, Accents, Hairpins
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AT - Autograph of a fragment
AW - Presentation Autograph
CDP - Copy for Delfina Potocka
GC - Gutmann's Copy
FE - French edition
FE1 - First French edition
FE2 - Corrected reprint of FE1
FED - Dubois copy
FEJ - Jędrzejewicz copy
FES - Stirling copy
GE - German edition
GE1 - First German edition
GE1a - Corrected reprint of GE1
GE1b - Flawed impression of GE1
GE2 - Second German edition
GE3 - Revised impression of GE2
EE - English edition
EE1 - First English edition
EE2 - Corrected reprint of EE1
EE3 - Revised impression of EE2
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  b. 1

in AW, GC (→GE) & EE3

in CDP, FE & EE1 (→EE2)

The use of  time signature is surprising only in CDP and EE, as in FE the  indication in the Etudes – contrary to the manuscripts – was not used at all, neither in Op. 25 nor in Op. 10 and the Etude in F minor, Dbop. 36 No. 1 (see also the Impromptu in A major, Op. 29). In any case, the correctness and authenticity of the  time signature leaves no doubts – a two-beat bar is written in two autographs (AT and AW) and in GC, based on an autograph.
The revision of EE3 could have been performed after having compared it with one of GE.

AT has a 2/4 time signature, which is a part of the original rhythmic notation of the Etude, discussed in the adjacent note.

Compare the passage in the sources»

category imprint: Differences between sources

issues: Changes of metre, Inaccuracies in FE, 4/4 or 2/2

notation: Rhythm

Missing markers on sources: AT, AW, CDP, GC, FE1, FES, FED, FEJ, FE2, GE1, GE1a, GE2, GE3, EE1, EE2, EE3, GE1b