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b. 69-70

composition: (Op. 4), Sonata in C minor, Mvt II

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In the main text we omit the poorly justified cautionary flats in bar 69 (to c1) and 70 (to d1), present in all sources.

category imprint: Editorial revisions

issues: Cautionary accidentals , Last key signature sign

b. 74-76

composition: (Op. 4), Sonata in C minor, Mvt II

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In A there is only one  to the d2-d3 octave, both in bar 74 and 76. The missing accidentals were added in GE (→FE,EE,IE).

category imprint: Interpretations within context; Differences between sources

issues: Accidentals in different octaves , GE revisions , Inaccuracies in A