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. 11, Concerto in E minor, Mvt I
In FE, one can see traces of removal of the third 
. Chopin most probably reduced the dynamics from 
to 
. Shift of to the beginning of the bar, giving the same image, seems to be much less likely, since the difference in position of the mark before and after proofreading would have been too insignificant to be worth attention.
Compare the passage in the sources »
category imprint: Corrections & alterations; Source & stylistic information
issues: Authentic corrections of FE
notation: Verbal indications
