Otto I., sogen. 3. Kaisersiegel, Magdeburg, Landeshauptarchiv Sachsen-Anhalt, Rep. U 1, Tit. I. Nr. 23: 966 August 24, aus: Bernward 2, II-2, S. 18f. (R. Kahsnitz).
Unknown author<span style="display: none;">Unknown author</span>
<p>24 June 2008 (original upload date)<br></p>
(<span lang="en" dir="ltr">Original text: <i><bdi lang="">um 965</bdi></i></span>)
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