Op. 2, Variations in B♭ major
Op. 10, 12 Etudes
Op. 11, Concerto in E minor
Op. 21, Concerto in F minor
Op. 22, Polonaise in E♭ major
Op. 24, 4 Mazurkas
Op. 25, 12 Etudes
Op. 26, 2 Polonaises
Op. 27, 2 Nocturnes
Op. 28, 24 Preludes
Op. 30, 4 Mazurkas
Op. 35, Sonata in B♭ minor
Op. 50, 3 Mazurkas
Op. 63, 3 Mazurkas
Op. 64, 3 Waltzes
Op. 21, Concerto in F minor, Mvt III
In A (→GE1) naturals are written only before the 1st quaver in the L.H. and the 2nd quaver in the R.H. FE added a 
before the 4th quaver in the L.H. (possible Chopin's proofreading), whereas GE2 – both necessary naturals in the L.H. It is only EE that includes the correct text.
Compare the passage in the sources »
category imprint: Interpretations within context; Differences between sources
issues: EE revisions, Accidentals in different octaves, GE revisions, Authentic corrections of FE, Inaccuracies in A
notation: Pitch
