Source images IDS 16748 (German fair copy in secretary's hand, 16th-century)
Facsimile of the source from the collection of Landeshauptarchiv Schwerin, 2.11-2/1 Auswärtige Beziehungen (Acta externa) 2395, f. 1-2; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.