In AI there is no lowering c1 to c1, moreover, AI and AF lack a lowering C to C. The inaccuracy of AF was corrected in FE (→EE); it is also GE that features the correct text.
Before e1 on the 3rd beat, all sources except for GE contain a superfluous .
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category imprint: Interpretations within context; Differences between sources
issues: Accidentals in different octaves, Cautionary accidentals, FE revisions
notation: Pitch