Vol. 4: A 1209 usque ad 1300

Notices from contemporary narrative sources regarding the Diet of Augsburg held in January 1209.

Otto IV, King of the Germans, confirms the rights of the Patriarchate of Aquileia over the Duchy of Friuli.

Henry of Andechs-Merania, the margrave of Istria, donates a property of his to the monastery of Saint Lawrence in Wilten (Innsbruck), for the salvation of his soul and the souls of his parents.

Henry of Andechs-Merania, the margrave of Istria, donates properties to the monastery of Saint Mary and Saint Hermagoras in Obernbug for the salvation of his soul.

Otto IV, Emperor of the Holy Roman Empire, confirms the donation of the Margraviate of Istria to the Patriarchate of Aquileia.