Königspfalz Salz
The Königspfalz Salz, the Royal Palatinate of Salz, was a Carolingian royal residence and administrative centre in Bavaria. See Königspfalz Salz – Lebensraum für Könige.
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Obelerius and Beatus — Chronica per extensum descripta
The dukes Obelerius and Beatus, and the war with the Franks, from the “Chronica per extensum descripta” (1340s) by Andrea Dandolo.