Source images IDS 25701 (Latin office copy in secretary's hand, author's signature)
Facsimile of the source from the collection of Österreichisches Staatsarchiv, Haus-, Hof- und Staatsarchiv, Polen, I. 2, 1531, f. 21r-23v; copying, dissemination or publication in any form (including electronic) solely with prior written permission from the source's owner.