Source images IDS 13860 GStA PK, XX. HA Hist. StA Königsberg, HBA, C 1a, K. 496, p. [1] unnumbered (Latin fair copy in secretary's hand, author's signature, 16th-century)
Facsimile of the source from the collection of Geheimes Staatsarchiv Preussischer Kulturbesitz, XX. HA Hist. StA Königsberg, HBA, C 1a, K. 496; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.