Select: 
Category
All
Graphic ambiguousness
Interpretations within context
Differences between sources
Editorial revisions
Corrections & alterations
Source & stylistic information
Pitch
All
Pitch
Rhythm
Slurs
Articulation, Accents, Hairpins
Verbal indications
Pedalling
Fingering
Ornaments
Shorthand & other
Importance
All
Important
Main


Pitch

b. 49

composition: Op. 45, Prelude in C♯ minor

..

In FE1 there are no naturals lowering F to and f to (the 2nd and 6th quavers). The signs were added in FE2 and EE, GE has also a correct text.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Accidentals in different octaves , Inaccuracies in FE , FE revisions

b. 52

composition: Op. 45, Prelude in C♯ minor

..

The cautionary sharp before D is included only in FE (→EE).

category imprint: Differences between sources

issues: Cautionary accidentals

b. 54

composition: Op. 45, Prelude in C♯ minor

g1 in chord in FE (→EE)

No g1 in GE

..

The lack of the chord's third in GE is certainly a mistake. In the main text we give the version of FE (→EE).

category imprint: Differences between sources

issues: Errors in GE

b. 55

composition: Op. 45, Prelude in C♯ minor

..

In FE1 there are no naturals lowering F to Ff to and c1 to c(the 2nd, 6th and 7th quavers). The accidentals were added in FE2 and EE. GE also has a correct text.  

category imprint: Differences between sources

issues: EE revisions , Accidentals in different octaves , Inaccuracies in FE , GE revisions , FE revisions

b. 56

composition: Op. 45, Prelude in C♯ minor

..

FE has a  before the 1st note of the passage, which is a patent error corrected in EE.

category imprint: Differences between sources

issues: EE revisions , Errors in FE