AI
Main text
AI - Working autograph
AF - Autograph fair-copy
FE - French edition
FE1 - First French edition
FED - Dubois copy
GE - German edition
GE1 - First German edition
GE2 - Second German edition
EE - English edition
EE1 - First English edition
compare
  b. 166

In AI there is no  lowering c1 to c1, moreover, AI and AF lack a  lowering C to C. The inaccuracy of AF was corrected in FE (→EE); it is also GE that features the correct text.
Before e1 on the 3rd beat, all sources except for GE contain a superfluous .

Compare the passage in the sources »

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves, Cautionary accidentals, FE revisions

notation: Pitch

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