Source images IDS 16756 (German rough draft)
Facsimile of the source from the collection of Geheimes Staatsarchiv Preussischer Kulturbesitz, XX. HA Hist. StA Königsberg, HBA, Konzepte K 2, K.1316, No. VII.3.216; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.