 They are available in the "Monumenta Germaniæ Historica" and in a later French edition taking into account a newly discovered manuscript .The "Annals of St. Bertin" are one of the principal sources of ninth-century Francia, and are particularly well-informed on events in the West Frankish sphere of Charles the Bald.The "Annales Fuldenses" are usually read as an East Frankish counterpart to their narrative.