1. Arnulf, see Bethmann and Wattenbach, 1848a.
2. Baethgen , F. , ed. 1934.MGH.SS.30Andreae abbatis Strumensis Vita sancti ArialdiVol. 2, 1047–1075. Hannover
3. Bethmann , L.C. , ed. 1848.MGH.SS.Arnulfi Gesta Archiepiscoporum mediolanensiumVol. 8, 1–31. Hannover
4. Bethmann , L.C. , ed. 1848.MGH.SS.Landulfi Historia mediolanensisVol. 8, 32–100.