Issues : Authentic corrections of FE

b. 66

composition: Op. 38, Ballade in F major

..

FE1 has d instead of f as the last semiquaver. The distinct error was corrected in FE2 (→FE3).

category imprint: Interpretations within context; Differences between sources

issues: Errors in FE , Terzverschreibung error , Authentic corrections of FE

b. 69-70

composition: Op. 38, Ballade in F major

Slur in A & FE2 (→FE3)

No slur in FE1

Slur in GC (→GE) & EE

..

In FE1 there is no slur in the L.H., which was corrected in FE2 (→FE3).
In GC (→GE) and EE the slur is dragged to the first quaver in the next bar. The copyist and the engraver of EE could have been misled by a non-deleted trace of the original version of the  sign.

category imprint: Differences between sources; Corrections & alterations

issues: Errors in FE , Errors resulting from corrections , EE inaccuracies , Authentic corrections of FE , Inaccuracies in GC

b. 69

composition: Op. 38, Ballade in F major

..

In FE1 the octave sign is written from the beginning of bar 69. It is undoubtedly a mistake, corrected – most probably by Chopin – in FE2 (→FE3).

category imprint: Differences between sources

issues: Errors in FE , Authentic corrections of FE

b. 70

composition: Op. 38, Ballade in F major

..

In A (→GC,FE1) there are no accidentals before the 4th chord. The overlooked  lowering a2 to a2 was also added in all remaining sources, while in FE2 (→FE3) a cautionary  before awas added as well. Both signs added in FE2 probably result from Chopin's proofreading. 

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , GE revisions , Cautionary accidentals , Omission of current key accidentals , Authentic corrections of FE , Inaccuracies in A

b. 71

composition: Op. 38, Ballade in F major

d in A (→EE,GCGE) & FE2 (→FE3)

in FE1

..

In FE1 there is a  instead of the  lowering d to d. It is undoubtedly a mistake, corrected in FE2 (→FE3). 

category imprint: Differences between sources

issues: Errors in FE , Authentic corrections of FE