Nithardi Historiarum libri IIII / editio tertia post Georgoum Heinricum Pertz recognovit Ernestus Müller ; accedit Angelberti Rhytmus de pugna fontanetica. - Nithardus, s. Richardi, m. 844. (OLS)http://pul/name/18384; Müller, Ernst. (OLS)http://pul/name/18385; Pertz, Georg Heinrich, 1795-1876. (OLS)http://pul/name/1680 (Impensis bibliopolii Hahniani, 1907)
Also published under title: De dimensionibus filorum Ludovici Pii ad a. usque 843.
Bibliographical foot-notes.