FE1 lacks flats in front of the second and sixth quaver. The accidentals were added in FE2 and EE. The latter also adds 
in front of b1 on the last quaver. All three mentioned accidentals are also present in GE.
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions, Accidentals in different octaves, Inaccuracies in FE, FE revisions
notation: Pitch