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b. 155-165

composition: Op. 12, Variations in B♭ major

..

In this entire fragment, in the key of D minor, in FE 9 out of 21 necessary naturals raising e to e, in different octaves, were omitted. In GE and EE some of them were added. The context rules out any doubts as to the sound of the notes devoid of naturals. In bars 166-167 3 more naturals were omitted.

category imprint: Interpretations within context; Differences between sources

issues: EE revisions , Errors in FE , GE revisions , Omission of current key accidentals , Last key signature sign , Errors repeated in GE , Errors repeated in EE

b. 165

composition: Op. 12, Variations in B♭ major

..

In the main text we add a  raising c2 to c2, omitted in FE (→GE,EE).

category imprint: Interpretations within context

issues: Inaccuracies in FE , Errors repeated in GE , Errors repeated in EE

b. 166-167

composition: Op. 12, Variations in B♭ major

..

In FE 3 naturals raising e to e, in various octaves, were omitted – bar 166, the 5th and 10th semiquaver, and the quaver at the beginning of the 2nd half of bar 166. In GE1 only the last two were added, while in the remaining editions – all.
Moreover, in bar 165 it is only EE that feature a  to the 11th semiquaver (c2).

category imprint: Differences between sources

issues: EE revisions , Errors in FE , GE revisions , Errors repeated in GE

b. 168

composition: Op. 12, Variations in B♭ major

..

In the main text we add a cautionary  to g2.

category imprint: Editorial revisions

b. 169

composition: Op. 12, Variations in B♭ major

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In the main text we add a cautionary  to e1.

category imprint: Editorial revisions