Issues : Terzverschreibung error
composition: Op. 25 No 10, Etude in B minor
FE has an a1 as the 3rd crotchet of the middle voice in the R.H. It is almost certainly the so-called Terzverschreibung error.
category imprint: Differences between sources
issues: Errors in FE , Omissions to cancel alteration , Errors in GE , Terzverschreibung error , GE revisions , Errors of GC