Issues : Annotations in teaching copies

b. 82

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

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The top note of the chord on the 2nd beat of the mar in FE is a b. The mistake was corrected in FED. The remaining sources feature the correct text.

category imprint: Interpretations within context; Differences between sources

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

b. 83

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

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In GC and FE there is no  lowering a to a. The mistake was corrected in GE, EE also includes the correct text. The natural was also added in FED.

category imprint: Interpretations within context; Differences between sources

issues: Annotations in teaching copies , Errors in FE , Annotations in FED , GE revisions , Errors of GC