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. 19, Bolero
The cautionary 
next to a3 was most probably added in the proofreading of FE. Since it is absent in GE, the addition was most probably introduced in the last phase of proofreading.
Compare the passage in the sources »
category imprint: Differences between sources
issues: Cautionary accidentals, FE revisions
notation: Pitch
