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b.

composition: Op. 28 No. 11, Prelude in B major

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In A one can see that Chopin initially wrote e as the 1st quaver; it was only afterwards that he crossed it out and replaced it with E. See also the Prelude in A Major, b. 13 and 15.

category imprint: Corrections & alterations; Source & stylistic information

issues: Corrections in A , Deletions in A , Accompaniment changes

b. 1

composition: Op. 28 No. 11, Prelude in B major

Fingering written into #FESz

No teaching fingering

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In the main text we include the fingering digit entered probably by Chopin into FESch.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FESch

b. 4-20

composition: Op. 28 No. 11, Prelude in B major

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In A (→FC) b. 4, 8 and 20 are written in an abridged manner with / symbols, which indicate that the preceding bar should be repeated.

category imprint: Differences between sources; Source & stylistic information

issues: Abbreviated notation of A

b. 6

composition: Op. 28 No. 11, Prelude in B major

Fingering written into FED

No teaching fingering

..

In the main text we include the fingering entered probably by Chopin into FED.

category imprint: Differences between sources

issues: Annotations in teaching copies , Annotations in FED

b. 6

composition: Op. 28 No. 11, Prelude in B major

..

FE overlooked the  restoring e1 on the 5th R.H. quaver. The accidental was added in EE; it was also entered into FEJ, probably by Chopin.

category imprint: Differences between sources

issues: Annotations in teaching copies , EE revisions , Errors in FE , Annotations in FEJ