AO
Main text
AO - Autograph Oury
AR - Autograph Rotschild
AE - Autograph Eszterhazy
AK - Autograph Krudner
AG - Autograph Gavard
CX - Copy of Autograph Eszterhazy
CY - Copy of Autograph Gavard
CC - Czartoryscy copy
F - Fontana Version
FC - Fontana copy
PE - First Polish edition
FEF - Fontana's French edition
GEF - Fontana's German edition
compare
  b. 34

In AE, AK, AG (→CY) and CC, a natural raising d2 to dis missing, which is obvious in the harmonic context of this bar; we add it in the editorial version. 

Compare the passage in the sources »

category imprint: Editorial revisions

issues: Omission of current key accidentals

notation: Pitch

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Original in: The Fryderyk Chopin Museum, Warsaw