A (→FE→EE,GE1→GE2) has naturals before b1, the upper note of the last semiquaver in bars 38-39. The unnecessary accidentals were removed in GE3 (→GE4), yet adding a 
before b1 at the end of bar 37, more justified from the formal point of view. Moreover, in the sources there is also an unnecessary before the first c1 in bar 38. In the main text we do not include any of these signs.
Compare the passage in the sources »
category imprint: Differences between sources
issues: GE revisions, Cautionary accidentals, Last key signature sign
notation: Pitch