The sources differ in the number of octaves written in an abbreviated form with the use of 8: three in CLI, the 2nd and 3rd in Ap, 3rd in FE. Both in GE and EE the use of abbreviations was totally rejected.
Compare the passage in the sources »
category imprint: Differences between sources
issues: EE revisions, GE revisions, Authentic corrections of FE, Abbreviated octaves' notation
notation: Pitch