The medievalist Roger Collins has argued that the text in the Class 4 manuscripts is sufficiently different from the Fredegar Chronicle of the Codex Claromontanus that it should be considered a separate work.
Middelalderforskeren Roger Collins mener, at teksten i klasse 4-manuskripterne adskiller sig nok fra Fredegars krønike i Codex Claromontanus til, at de burde betragtes som et selvstændigt værk.