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. 49, Fantaisie in F minor
In the main text we add a cautionary 
to c2 (Chopin wrote a respective accidental only to c3 four bars earlier). A natural in the discussed place was also added by EE.
Compare the passage in the sources »
category imprint: Differences between sources; Editorial revisions
issues: EE revisions
notation: Pitch