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. 35, Sonata in B♭ minor, Mvt II
The 
sign was added in GC (→GE) probably by Chopin. It can be assumed that it indicates sustention of pedal throughout four bars.
Compare the passage in the sources »
category imprint: Differences between sources
issues: No pedal release mark
notation: Pedalling
