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b. 48

composition: Op. 42, Waltz in A♭ major

Third in FE1, GE & EE

e1 in FE0

..

There is no con the 2nd crotchet in FE0, probably due to a misinterpretation of the autograph. Chopin added this note in FEG (→GE) and in the base texts to FE and EE

category imprint: Differences between sources; Source & stylistic information

issues: Uncertain notes on ledger lines

b. 48-56

composition: Op. 42, Waltz in A♭ major

Pedalling in FE

Pedalling in EE

No pedalling in FEG (→GE)

..

In FE there is no pedalling in bars 48-51 (it is to be found only in bars 55-56). There is no reason to doubt the authenticity of the pedalling in EE even though it could result from Chopin's mistake—while preparing the basis for EE the composer has presumedly written the pedalling into bars 45-51 (the first line of text on the second page of FE and EE) mistaking them for bars 41-47.

category imprint: Differences between sources; Corrections & alterations

issues: Authentic corrections of FE , Authentic corrections of EE

b. 49

composition: Op. 42, Waltz in A♭ major

d1-e1 in FE

d1-e1-g1 in GE & EE

..

The d1-e1 second in FE is the original version – in FEG (→GE) Chopin added a gnote to it. Also EE has a completed version with the d1-e1-gchord. Therefore, the fact of leaving the original version in FE seems to be Chopin's oversight. 

category imprint: Differences between sources; Corrections & alterations

issues: Accompaniment changes , Authentic corrections of GE , Authentic corrections of EE

b. 55

composition: Op. 42, Waltz in A♭ major

..

In FE0 (→FE,FEG) there is no cautionary  next to f2.

category imprint: Differences between sources

issues: Accidentals in different octaves , Cautionary accidentals

b. 57-88

composition: Op. 42, Waltz in A♭ major

Pedalling in EE

No pedalling in FE & GE

..

The pedalling on this page of Waltz (in bars 57-71 and 87-88) is only in EE. There is no reason to doubt its authenticity.

category imprint: Differences between sources

issues: Authentic corrections of EE