Source images IDS 15348 GStA PK, XX. HA Hist. StA Königsberg, HBA, C 2, No. 28, f. 1v (German fair copy autograph, 16th-century) 
Facsimile of the source from the collection of Geheimes Staatsarchiv Preussischer Kulturbesitz, XX. HA Hist. StA Königsberg, HBA, C 2, No. 28; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.
