See Annales Fuldenses; Annales Bertiniani; Thegan, Vita Hludowici; the Vita Hludowici attributed to Astronomus; Ermoldus Nigellus, In honorem Hludowici imperatoris; Nithard, Historiarum libri, all in the Monumenta Germaniae historica.
See Annales Fuldenses; Annales Bertiniani; Nithard, Historiarum Libri, all in the Monumenta Germaniae historica.
- The most important authority for the history of Charles's reign is represented by the Annales Bertiniani, which were the work of Prudentius, bishop of Troyes, up to 861, then up to 882 of the celebrated Hincmar, archbishop of Reims. This prince's charters are to be found published in the collections of the Acadimie des Inscriptions, by M.
Besides the works already mentioned, he was the author of several theological tracts; of the De villa Noviliaco, concerning the claiming of a domain of his church; and he continued from 861 the Annales Bertiniani, of which the first part was written by Prudentius, bishop of Troyes, the best source for the history of Charles the Bald.