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b. 6

composition: Op. 25 No 8, Etude in D♭ major

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FE features eas the top note of the sixth beginning the 2nd half of the bar. This patent error was corrected in both pupils' copies, including annotations in this Etude FED and FES.

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , Errors in FE , Annotations in FED , Annotations in FES

b. 6

composition: Op. 25 No 11, Etude in A minor

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In EE1 it is that is the lowest note of the minim chord. This patent mistake was corrected in EE2 (→EE3).

category imprint: Differences between sources

issues: EE revisions , Errors in EE

b. 6-8

composition: Op. 25 No 11, Etude in A minor

dim. - - in GC

dimi-nu-en-do in EE

No indication in FE

dimin. - - - - in GE

..

The dim. indication was added by Chopin in GC (→GE), most probably also in the base text to EE. Its absence in FE proves that Chopin probably omitted the base text to this edition at the time of completing the Stichvorlage manuscripts in these bars. Similarly  in bar 8.

category imprint: Differences between sources; Corrections & alterations

issues: EE revisions , GE revisions , Authentic corrections in GC

b. 6

composition: Op. 25 No 10, Etude in B minor

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The sharps returning f1 and F on the 3rd beat of the bar are present only in GE2 (→GE3). A similar mistake appears in bar 108.

category imprint: Interpretations within context; Differences between sources

issues: Omissions to cancel alteration , GE revisions

b. 6-7

composition: Op. 35, Sonata in B♭ minor, Mvt I

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There are no quaver rests at the end of b. 6 and 7 in GC (→GE). It is probably the copyist's mistake.

category imprint: Differences between sources

issues: Errors of GC , Errors repeated in GE