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b. 64

composition: Op. 25 No 2, Etude in F minor

Fingering written into FED

No teaching fingering

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FED

b. 66-68

composition: Op. 25 No 2, Etude in F minor

No markings in AW

2 pedals in CDP & EE

3 pedals in GC (→GE) & FE 

..

Initially, in AW, the bars were devoid of pedalling marks. Chopin would then add them in two stages: the signs in bars 66 and 68, written in [A], were copied in all derivative sources, while the pedalling in bar 67 was added by Chopin in GC (→GE) and added either in the base text to FE or in the proofreading of this edition.

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections in GC

b. 67

composition: Op. 25 No 2, Etude in F minor

Triplets in AW, CDP, GC (→GE), FE & EE

Run written into FED

..

The visible in FED pencilled entry of Chopin (8 3a and a line over the descending scale, creating a kind of an octave sign) constitutes, according to us, a variant in which the indicated scale figuration fragment is to be extended by an octave – ottava terza, as this entry is to be deciphered, probably signalises that the sequence of quavers, in the printed version filling generally the two-line octave, is supposed to include the three-line octave too). Chopin would often write this kind of scale or passage figuration extensions in pupils' copies, e.g., in the Concerto in E Op. 11, mvt II, bar 58-59Nocturne in F minor, Op. 48 No. 2, bars 113-114, Nocturne in E major, Op. 62 No. 2, bars 68-69, or Waltz in A major, Op. 42, bars 240-244.

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , Annotations in FED , Authentic post-publication changes and variants

b. 68-69

composition: Op. 25 No 2, Etude in F minor

Rhythmic notation in AW

CDP, GC (→GE), FE & EE

..

The version of the ending's notation, written in AW (it is almost certain that this notation means the same performance as the notation of the final version), is either earlier or it follows from circumstances – Chopin perhaps added last three notes to an already finished manuscript. It cannot be excluded that he also made a draft of the final notation of this detail – over the upper stave one can see a sign that could be interpreted as a bar line with two ties.

category imprint: Differences between sources; Corrections & alterations

b. 68

composition: Op. 25 No 2, Etude in F minor

Fingering written into FES

No teaching fingering

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FES